Name: Nut, Castle AN310-5
SKU: AN310-5
Price: 1.85 USD
Availability: InStock
Rating: 4.76 (41 reviews)

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Nut, Castle AN310-5

41 Reviews 2 Answered Questions

Packaged Items

SinglePack of 10

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Type	Part No.	Thread Size	Cotter Pin Size
Cad Plated	AN310-5	5/16-24

Overview

Fabricated from steel and cadmium plated per QQ-P-416A, Type II, Class 3. AN310 castle nuts are used with drilled-shank bolts, clevis bolts, eye bolts and studs. The slots in the nut accommodate a cotter pin for safety purposes. The thinner AN320 castellated shear nut, with half the tensile rating of the AN310 nut, is used with clevis bolts and threaded taper pins which are subject to shearing stress only.

Less 20% for quantity 100/Part No.


	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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Reviews

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The nut that I finally received was fine. Unfortunately, the first shipment included an AN310-4 nut. AS immediately replaced it as soon as I told them and I got the AN310-5 that I needed.

Richard T

Verified Purchase

Nut, Castle AN310-5

October 3, 2024

Good quality and view.

Julian S

Verified Purchase

Nut, Castle AN310-5

September 27, 2024

I’m happy

Lou B

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

September 3, 2024

Lawrence O

Verified Purchase

Nut, Castle AN310-5

March 10, 2024

Prasook L

Verified Purchase

Nut, Castle AN310-5

February 21, 2024

Silver S

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

January 29, 2024

Robert P

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

September 29, 2023

Robert P

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

September 29, 2023

If you are keeping up on traceability, it looks FAA Certified to me.

Round P

Verified Purchase

Nut, Castle AN310-5

August 25, 2023

Martin B

Verified Purchase

Nut, Castle AN310-5

March 22, 2023

Excellent

Peter D

Verified Purchase

Nut, Castle AN310-5

March 18, 2023

Richard S

Verified Purchase

Nut, Castle AN310-5

February 15, 2023

Provided as per specs

John B

Verified Purchase

Nut, Castle AN310-5

February 14, 2023

Great service on good parts

Jace C

Verified Purchase

Nut, Castle AN310-5

January 27, 2023

Christophe N

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

January 24, 2023

Daniel K

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

December 13, 2022

Justin D

Verified Purchase

Nut, Castle AN310-5

July 4, 2022

Nuts, you need them to go on the end of your bolts!

Rodney K

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

June 18, 2022

Timothy L

Verified Purchase

Nut, Castle AN310-5

May 10, 2022

Helge R

Verified Purchase

Nut, Castle AN310-5 (Pack Of 10)

January 14, 2022

all good well done

Vincent C

Verified Purchase

Nut, Castle AN310-5

October 14, 2021

Great product

Lorentz J

Verified Purchase

Nut, Castle AN310-5

May 29, 2021

I am building a small scale radial engine. About 8 horsepower. These will be the prop nuts. They look fantastic. Mike Brainerd

Mike B

March 8, 2021

As usual, very fast shipping and well packed, a company I can always rely on.

Malcolm C

March 8, 2020

Perfect

Sport I

November 15, 2019

you are doing great getting everything here at reasonable rates and on time . USPS Priority does great Thanks

Bob B

November 7, 2019

Martha

July 12, 2019

Sport I

April 20, 2019

I am sure they will work when I need to use them . Wrong size for this job. MY fault.

Mark

March 8, 2019

All hardware arrived quickly and as listed and in good condition!

Tim O

February 7, 2019

Nice and shiny....

Stick N

August 11, 2018

Very happy with the kind friendly service and fast shipping that Ms Henley provided..Super Girl.

James B

August 4, 2018

In stock and shipped right away.

Edward B

July 31, 2018

fit just right

Glenn T

December 24, 2017

its a nut, but perfect for what I needed

Dave M

September 6, 2017

Gard

March 16, 2017

Ray M

Verified Purchase

Nut, Castle AN310-5

February 14, 2024

a little pricey

Darrin T

April 23, 2020

a little pricey

Darrin T

April 23, 2020

Service was good but one of the castle nuts had no threads

Pat L

Verified Purchase

Nut, Castle AN310-5

August 31, 2021

These things are horrible! Absolute junk! The coating on the threads was so thick that you had to use tools to screw the together. Even worse, the slots were cut off-center so you couldnt put a cotter pin through them. No quality control on these at all!

Steve P

March 23, 2021

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are these castle nuts unified national fine thread?

Yes, they are standard AN UNF thread.

Q: What are the hex sizes and height for the AN310-6 and 310-8 castle nuts?

AN310-6 would use a 9/16 wrench and is 13/32 tall

An310-8 would use a 3/4 wrench and is 9/16 tall.

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