Trailer Spindle Nut 1"

Part Number: 165686

In Stock

$13.94

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Trailer Spindle Nut 1" Spindle Nut 165686

165686 - 1 Inch I.D. TruRyde Trailer Spindles

Accessories and Parts 165686 - Spindle Nut - TruRyde

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Feature Breakdown: Trailer Spindle Nut 1"

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Castle nut for 1" spindles. Bare metal finish. 1-800-940-8924 to order TruRyde accessories and parts part number 165686 or order online at etrailer.com. Free expert support on all TruRyde products. Great prices and Fastest Shipping for Trailer Spindle Nut 1". Accessories and Parts reviews from real customers.

TruRyde Accessories and Parts - 165686

Castle nut for 1" spindles. Bare metal finish.

Features:

Castle nut for 1" spindles
Bare metal finish

Specs:

Size: 1" diameter x 0.532" tall
14 Threads per inch

FA-SN100 TruRyde Trailer Spindle Nut - Raw

Similar to 165686

Video of Trailer Spindle Nut 1"

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Demo TruRyde 1 Inch Diameter Trailer Spindle Castle Nut 165686

Feature Breakdown: Trailer Spindle Nut 1"

Video Transcript for Feature Breakdown: Trailer Spindle Nut 1"

Hi, everybody. Andy here with etrailer.com. And today we're just gonna take a very quick look at this trailer spindle nut. This bare metal finish castle nut is for one-inch spindles. So it has to have one inch in diameter, and the overall height, just to be very specific, is gonna be 0.532 inches tall, and this is 14 threads per inch. And that's gonna conclude our brief look today.

I do hope that it was helpful for you. Again, my name is Andy. Thank you for joining me..

Customer Satisfaction Score:

99% were satisfied with this product

1% of customers were not satisfied

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Wrong item was ordered
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1% of customers were not satisfied

etrailer mistake
Wrong item was ordered
Package not accepted

4.8

452 reviews

5 Stars		(392)
4 Stars		(36)
3 Stars		(12)
2 Stars		(7)
1 Star		(5)

by: Rob 07/12/2019

exact replacement, they shipped it fast,always great prices and in stock,

I just Rebuilt my trailer using etrialer for all the parts, brake lights bearings winch,they even had all the parts to rebuilt the hyd actuator

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by: Philip 07/08/2026 One Year Later

Did not fit at all…when ordering make 100 percent sure to measure and explain your plans to your sales rep and try it out before the return period has expired.

by: Dan 11/03/2023

great website, easy to order from, quick shipping! Customer Service is quick to respond to questions

Thanks,

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by: Patrick 05/28/2026

.The part I needed and shipped to me fast

by: emac 04/22/2026

worked just fine

by: John M 02/11/2014

Brake Drum/Hub unit and associated parts arrived quickly and in great shape! Waiting for warmer weather to install. Have used e-trailer parts before to rebuild all brakes, hubs and bearings on camping trailer last summer but over-torqued one bearing set and had an outer bearing failure - almost lost the wheel! This unit will replace that damaged hub which was gouged by riding on the washer and spindle nut causing grease cap not to seal and leak grease. These parts are first class and fit and install perfectly!

John M. One Year Later

2/11/2015

Replaced old hub, bearings and castle nut. Everything working well - no problems and fit was perfect! Ill use etrailer everytime!

by: Harold 07/29/2025

Everything arrived as expected. One spindle was well protected, but the other did not have the rubber cup protecting the threads. As a result, the threads were slightly damaged. I was able to get the spindle nut started (after numerous attempts) and got everything assembled. Other than the damaged threads, everything else was perfect.

by: Terry 10/14/2025

Very knowledgeable and very helpful customer service. Rare these days!

by: James Sponheimer 07/09/2015

Mike H. Was really helpful & knowledgable . Thx for all ur help !

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by: Jim 06/19/2020

First off I purchased 1" castle nuts, tang type spindle washers and 2 wheel hubs for a 3500 lb tandem trailer. I wish I had pictures during the assembly but I don't, however these parts all assembled perfectly. The hubs were pre-greased, so all I did was use brake cleaner on the wheel spindles to clean up, the hubs slid on with no problem, the tang washers fit perfectly and the castle nut threaded on with ease, the hub included new lug nuts which made the whole repair a breeze! Very pleased with the purchase and ease of assembly, I was going to piece out the bearings and races but for the price of a complete hub it made more sense to buy it already greased and assembled. E trailers videos and instructions are great to consider before attempting to install the parts.

by: Frank Venturella 05/03/2019

6 wks. ago I started on a refurbishing project off a 1988 Holsclaw boat trailer. I stripped all the paint off, ground and sanded the rust, primed and painted everything, replaced ALL the fasteners with stainless stell and some galvanized. I ordered several things from etrailer.com . Everything I ordered was to exact specifications and the shipping was on-time, everytime. I ordered several bearing items to repack the hubs, this coupler and nifty lifting handle, transom tie down brackets, spare tire carrier and 3 new 570x80 tires mounted on galvanized rims and the company installed stems, free of charge! I love the way this project came out and I've thoroughly enjoyed shopping @ etrailer.com! Thank you!

by: Ned 05/11/2022 One Year Later

Nice upgrade of the axle on my [online] trailer. I had no confidence towing my home made teardrop camper until I installed this axle. The package was damaged in shipping and eTrailer quickly replaced the missing parts.

by: Tim H 04/22/2017 One Year Later

Great product and great price fast shipping, cking on price for tires and rims now

Tim H. One Year Later

4/24/2018

they worked out great. Thanks for taking the to ck. looking for a way to mount spare tire to 18 ft open car trailer. Thanks

Rachael H.

4/25/2018

Thanks for the reply and follow up. I have included a link to all our spare tire carriers, I am not sure how you car hauling trailer is configured or what you mounting options are, but here is what we currently offer.

by: Bryan 04/14/2019 One Year Later

Buy all my trailer parts from etrailer. When I have questions, they are quick to respond and shipping is always top-notch. In this case, I had a bearing and nut fail which took off the entire hub. New parts came quickly and I was back on the road with relative ease.

by: Brian C. 10/20/2014

Absolutely phenomenal customer service! Made my order, but realized I needed 2 seals.. sent them an email to change my order, and recieved a phone call and they fixed it for me.

FAST SHIPPING! and GREAT packing. I ordered 2 bearing/seal sets, 2 seals, 2 spindle washers, and 2 axle nuts and package came with a box with paper padding, then 3 separate padded envelopes with my orders...

Couldn't find a place with better prices... I will be an etrailer.com customer for life.

by: Sam 09/02/2020 One Year Later

Replaced the Hubs on my Bass Tracker trailer with parts from E-Trailer. didn't measure correctly so I had to return the first ones but then settled on Galvanized hubs. Could not be happier. Much better quality than the originals.

by: John O. 10/08/2014

This was my 3rd order from Etrailer. All were delivered promptly and in good condition. The trailer hitch for my GMC terrain was a great fit and easily installed. One suggestion though. The pull wire really needs to be longer. I had to extend it about a foot. The other orders were fine.
I definitely shop at eTrailer.

by: Jesse 03/28/2023

After being in storage, in a field, for more than 2 years, Water had contaminated the original hub, pitting the bearings and races and they had not been serviced since, at least 1999. I polished up the EZ lube spindles, flushed out the old grease and I was ready. Everything fit perfectly. It was aa perfect match. Used new Nuts and Washers. re-installed the Wheels and Tires, Torqued to 90-10lb. The old 6 x 4 Wells Cargo trailer is once again Ready for the coming rendezvous season.

by: Gary 05/19/2022

Ordered spindle nuts and washers at etrailer after trying all the local parts stores. Was exactly what I needed. If I had checked e trailers online site first, I could have found all the bearings and nuts needed. It would have saved me a lot of time and money. I know where to look next time I need trailer parts. They have a great selection of parts and the prices are good.

by: Duane B. 09/10/2016

I replaced all the bearings races seals and brakes on a small travel trailer. Bill P.at etrailer took my order and three days later I had everything in my hands. Great job Bill ! All the parts were exact replacements and the install went very smooth. There is video help on their website to show how to make the install easier. I have been dealing with etrailer for several years and have never had a bad experience. I was completely blown away by the pre assembled brakes . Backing plate, shoes, actuators, self adjusters and wiring all ready to bolt on. How much easier can it be? With the best prices, fast shipping and great help on line etrailer is the way to go.

by: Dianne L. 05/26/2017 One Year Later

All the products were exactly what I needed to repair my trailer. After a little glitch in the order I contacted customer service and the problem was immediately resolved. I will definitely be shopping again when/if I need parts.

by: Robert 02/17/2017

Excellent, right size and fast shipping. Would recommend.

Robert One Year Later

2/18/2018

Castle nut and pins still going strong after thousands of miles of towing. Happy camper!

by: Douglas 05/28/2020

I ordered new wheel bearing kit’s, extra cotter pin’s and hub end cap’s because one fell off going down the road. All the parts were right and came in good condition I just installed them part yesterday everything went really good and easy. Thank you for having all he parts I needed.

by: Ralph 11/19/2021

I was very pleased because I was told that there was a backorder on the hub that I ordered and was not expecting to get until December, so much to my surprise it showed up at my front door this afternoon. Thank you for the great service and Cudos to Alex for his help in making this happen. I would recommend to everyone to shop with etrailer.com for their trailer wheel parts. I was very pleased for the great service.

by: Gary R 09/17/2020 One Year Later

I have made several purchases from etrailer. All the items have been as described and worked perfectly for my application. All the staff I have had interactions with have been knowledgeable and very professional. Great parts, Great people, Great prices!!!

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See what our Experts say about this TruRyde Accessories and Parts

Do you have a question about this Accessories and Part?

4 Bolt Hub and Spindle Nut for a CE Smith 2k Trailer Axle
JC, the CE Smith Trailer Axle Beam with Standard Spindles # CE33201GA definitely should've came with spindle nuts so I'd reach out to our customer service team about that. This axle uses the Trailer Spindle Nut 1" # 165686 with the Washer For 1" Spindle # SW1000 and the Cotter Pin # 165649. For 4-bolt hubs, you'd just want the Easy Grease Trailer Idler Hub Assembly for 2K Axles # AKIHUB-440-2-G-EZ-2K.
view full answer...
Replacing Load Rite Boat Trailer Disc Brakes With Slip-On Rotors
Hey John! Thanks for getting that information from Load Rite! That helps a lot. We have an option with separate hubs and slip-on rotors like you were looking for, and it won't cost nearly as much as the stainless steel setup. I recommend the Kodiak Disc Brake Kit # K2R526D along with two Dexter Idler Hubs # 8-213-5UC1-EZ. The Kodiak kit includes two 12" Dacromet-coated rotors, calipers, and mounting brackets. With the separate hubs, you'll be able to replace just the rotors when needed. The...
view full answer...
Replacement Bearing Kit for a Lippert 122093 Hub
Hey Wendell, thanks for the information! Since you have a Lippert 122093 hub for a 5,200 lbs axle you'll need the Bearing Kit item # BK3-300. This kit includes inner and outer bearings, races, a grease seal, and a replacement cotter pin. This kit is sold individually so you'll need one per hub. You'll also need the Trailer Spindle Nut item # 165686. What kind of trailer do you have?
view full answer...
Should There Be a Washer on Trailer Spindle Between Spindle Nut and Outer Bearing
There really should be a flat washer between the outer bearing of your hub and the nut that holds it on. The washer protects the back side of the bearing from the edges and points on the back side of the spindle nut. The Washer For 1 inch Spindle, # SW1000, is typically used on spindles that have a castle nut, like # 165686, and a cotter pin, # 165649. A D washer, # 5-23, would be used on a spindle that has a flat side and uses the same castle nut and cotter pin setup. A Tongue Washer,...
view full answer...
Looking For Replacement Hubs For My Malone Microsport Trailer
Hey Jesse, I recommend the etrailer idler hub # AKIHUB-545-2-G-1K as a replacement for your trailer. It is the same 5 on 4-1/2 bolt pattern as your trailer and uses the same bearings for that 1" spindle that the acle uses. It does not come with a castle nut so you would just need to grab one of the # 165686 to pair with that. Any lithium-complex multi-purpose grease is used with those, color does not matter. What kind of kayaks are you using that Microsport trailer for?
view full answer...
Replacement Brake Hub, Assemblies, Bearings, Seals, Castle Nut, and Cotter Pins for a 3,500 lbs Axle
Hey Zac. The etrailer Electric Trailer Brakes item # AKEBRK-35-SA are indeed compatible with the Easy Grease Trailer Hub and Drum Assembly for 3.5K Axles item # AKHD-545-35-EZ-K. This hub is sold individually and fits a inner bearing item # L68149 and outer bearing item # L44649. The Easy Grease Trailer Hub and Drum Assembly item # AKHD-545-35-EZ-K includes all the bearings, races, and seals you need to complete the installation. For castle nut that fits a 1" spindle you'll need item...
view full answer...
Replacement Castle Nut
Hey, Mark! Sure do! We have 1" which is part # 165686 and 7/8" which is part # 165931. They don't come with a cotter pin so you would also need part # 165649. If that's all you need then you're all set!
view full answer...
Spare Hub And Bearings For A Kodiak Rotor/Hub 133-7K-8
Hey Alex, thanks for providing that part number. You may already know this, but what you have are the standard Kodiak 7K rated 8 lug hub and rotor assemblies. We have all of the parts you need, and I have listed those for you below. - Hub/Rotor Assembly # KRH1378D - Bearing Kit # DBRKHW7 - Cotter Pin # 165649 - Spindle Nut # 165686 The aforementioned bearing kit will include your seals and grease caps. Keep in mind the bearing kit comes with enough for two axles. All of the other parts...
view full answer...
Replacement Castle Nut and Washer Trailer Hub HD1377
Hey Todd, since we know the trailer hub HD1377 that you referenced is a 3500 lb axle trailer hub the spindle washer part # SW1000 and the castle nut part # 165686 would be what you'd need.
view full answer...
Need Brake Assembly, Hubs, Bearings And Axle Nut For Dexter 3,500 lb Axle
Hello Even, thanks for reaching out. The Dexter 3,500 lb axles use a standard brake size, drum size and bearings so we can absolutely provide what you need. Also, the best way to confirm this is by simply checking the casting number on one of the hubs. Drums should have a casting number right on the front, so all you have to do is remove one wheel to see it. The only reason I would really need it in this case would be to confirm the hub bolt pattern, so if you can get that casting number...
view full answer...
Replacement Bearing Kit for a 3,500 lbs DeeMaxx Disc Brake Kit w/ a 10" Rotor
Hey Philip. To replace the bearings on your DeeMaxx Disc Brake Kit item # DE66YR you'll want the Hub Bearing Kit for Lippert, Dexter, and AL-KO Axles item # BK2-100. This kit comes with replacement inner and outer bearings, races, seal, cotter pin, and tang washer. This kit will handle one hub. You'll need two for the axle. What kind of trailer do you have?
view full answer...
Need Pre-Greased Hub And Castle Nuts For Dexter 3,500 lb Axle
Hello Jack, sure thing! We do offer a pre-grease hub that will fit your Dexter 3,500 lb axle. I recommend the following: - Easy Grease Trailer Hub and Drum Assembly for 3.5K Axles - 10" - 5 on 4-1/2 - Pre-Greased # AKHD-545-35-EZ-K This comes with the pre-greased hub, grease cap and lug nuts. The castle nuts are sold separately as part # 165686. The retainer nuts are part # 6-190. What kind of trailer is this for?
view full answer...
What Brake Assembly Kits do I Need for My 2022 Keystone Cougar 354fls? What Size Spindle Nut?
Hello Mark, We definitely have a hub that’s going to work for you, but I don’t have a database that tells me what parts are installed on which campers (though it would be pretty sweet if I did). From my research, it looks like you should have 7,000 lb axles. Since the stickers are torn, I’d recommend double-checking to see if you can make out the axle capacity to confirm. If it is 7K, you’ll need the Dexter Nev-R-Adjust Electric Trailer Brakes – 12" – Left/Right Hand Assemblies – 7K,...
view full answer...
Will the Easy Grease Trailer Idler Hub Assembly AKIHUB-545-2-EZ-2K Work w/ 13" Wheels?
No, it does not Greg but I have one that does. For 13" wheels you'll need the Easy Grease Trailer Idler Hub for 2K Axles item # AKIHUB-545-2-LFEZ-2K. This is also a pre-greased idler hub with 5 on 4-1/2 lug nut pattern that has item # L44649 inner and outer bearings. It has a 2,000 lbs capacity and is sold individually. The item # AKIHUB-545-2-EZ-2K you were looking at only works with 10" to 12" wheels. What kind of trailer do you have?
view full answer...
Bearing Kit for Dexter Trailer Axle D52
The D52 on your axle tag means it is a 5,200 lb axle. For a kit that has all of the bearings and seal for your Dexter D52 5,200 lb axle you'd want the kit part # BK3-310 and then for a spindle nut you'd want the # 165686. Aside from that the other interesting piece of info that is on the tag is the hub face to hub face dimension is 86 inches and spring seat center to center is 68.5 inch. You'd need this if you ever had to replace the axle.
view full answer...
Nut Size Used on Dexter 3500 lb Hub and Drum Assembly
The Dexter Trailer Hub and Drum Assembly - 3,500-lb E-Z Lube Axles - 10" - 5 on 4-1/2 - Galvanized # 8-247-50UC3-EZ uses 1/2 inch studs so the lug nuts will be 1/2 inch inner diameter and 13/16 inch outer diameter like # CE11051. If instead you are looking for the spindle nut # 165686 is the correct fit along with cotter pin # 165649. The Spindle Nut Kit for EZ Lube Axles # RG05-100 is what you want if you have the D-shaped spindle. These have a 1-7/16 inch outer diameter and a 1 inch...
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Replacement Idler Hub For a BTR Spindle On an Enclosed Trailer
You will need 2 of the Easy Grease Trailer Idler Hubs # AKIHUB-545-2-LFEZ-2K for your trailer hubs. This hub fits on your Spindle # TRU27FR and will include new bearings, races, a grease seal, grease cap, and new lug nuts. As you have an EZ grease spindle you will not have a cotter pin. Instead you will have a Tang Washer # 5-101 that holds on the Castle Nut # 165686 and Washer # 5-23.
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Spindle Nut Recommendation for 84 Spindle
For your 84 spindle the correct nut would be # 165686 which is a 1 inch spindle nut.
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Replacement Hub for Adams Trailer with Dexter EZ Lube Axles with Bearings L44649
We have just the hub you are looking for with the part # AKIHUB-545-2-EZ-2K. This matches the bearing and seal info you listed, the bolt pattern, has an ez-lube cap for access to the grease fitting, and comes pre-greased so it's ready to install. You will need new castle nut part # 165686, and then for standard cotter pin # 165649, for a tang washer part # 5-101, and for a D washer part # 5-23.
view full answer...
Should There Be a Washer on Trailer Spindle Between Spindle Nut and Outer Bearing
There really should be a flat washer between the outer bearing of your hub and the nut that holds it on. The washer protects the back side of the bearing from the edges and points on the back side of the spindle nut. The Washer For 1 inch Spindle, # SW1000, is typically used on spindles that have a castle nut, like # 165686, and a cotter pin, # 165649. A D washer, # 5-23, would be used on a spindle that has a flat side and uses the same castle nut and cotter pin setup. A Tongue Washer,...
view full answer...
Is a Spindle Washer Needed Between the Spindle Nut and Outer Bearing on Dexter 5 on 4-1/2 Hubs
Yes, there should be a washer of some type between the spindle nut and the bearing on your trailer. The washer protects the back side of the bearing from the edges and points on the back side of the spindle nut. There are several types of spindle washers available depending on the spindle configuration on your trailer. The Washer For 1 inch Spindle, # SW1000, is typically used on spindles that have a castle nut, like # 165686, and a cotter pin, # 165649. A D washer, # 5-23, would be...
view full answer...
Depth Measurement For Hubs That Fit A 1" Straight Spindle
We do have hubs available for a 1" straight spindle in part # AKIHUB-440-2-EZ-1K. This hub measures 4-1/4" deep so it will run a bit longer than the hub you are looking for. There are a total of 4 hubs that we carry for a 1" straight spindle and all 4 would be identical as far as depth. A lot of these older boat trailers use hubs that are trailer specific, and it may prove very difficult to find. We do carry replacement spindles like part # TRU59FR, if you want to change it out for a more...
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Trailer Hub With 5 on 4-1/2 Bolt Pattern For 3,500 lb Dexter Axle
We do have idler hubs as well as hub and drum kits with a 5 on 4-1/2" bolt pattern that fit a 3,500 lb Dexter axle; depending on if you want the idler or hub and drum, you can use one of the following: - Idler Hub: Dexter Trailer Idler Hub Assembly for 3,500 lb Axles - 5 on 4-1/2 # 84545BX - Hub and Drum: Dexter Trailer Hub and Drum Assembly for 3,500 lb Axles - 5 on 4-1/2 # 84546UC3 These do come with the bearings you need, but if you also need the other parts, those are the Cotter...
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How to Choose the Correct Pre-Greased Replacement Hub for Snowbear Trailer
There are pre-greased hubs available in a 5 on 4-1/2 bolt pattern. In order to find the correct replacement hub you can take apart your good hub assembly and look at the bearings themselves; wipe away the grease and you should be able to see the part number stamped directly on them. If your hub has inner and outer bearings # L44643 you'd need CE Smith Trailer Hub Assembly w/ Carrying Case for 2,500-lb Axles - 5 on 4-1/2 - Pre-Greased # CE13210. Should your hub have inner and outer bearings...
view full answer...

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