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Home / Hardware / Nuts / Castle Nuts /NUT, CASTLE AN310-3
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NUT, CASTLE AN310-3

34 Reviews 2 Answered Questions
Packaged Items
SinglePack of 50
Quantity
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TypePart No.Thread SizeCotter Pin Size
Cad PlatedAN310-310-32AN380-2-2

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.

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Reviews

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Richard M Verified Purchase

NUT, CASTLE AN310-3
May 25, 2023

quality

Michael D Verified Purchase

NUT, CASTLE AN310-3
April 1, 2023

Worked as expected.

Ron J Verified Purchase

NUT, CASTLE AN310-3
December 31, 2022

Magaero L Verified Purchase

NUT, CASTLE AN310-3
August 26, 2022

Magaero L Verified Purchase

NUT, CASTLE AN310-3
August 23, 2022

All good

Larry R Verified Purchase

NUT, CASTLE AN310-3
August 12, 2022

OK

Larry R Verified Purchase

NUT, CASTLE AN310-3
August 3, 2022

Timothy L Verified Purchase

NUT, CASTLE AN310-3
May 9, 2022

Timothy L Verified Purchase

NUT, CASTLE AN310-3
May 9, 2022

Leslie H Verified Purchase

NUT, CASTLE AN310-3
April 19, 2022

Q&A

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Please note, Aircraft Spruce Canada'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 Canada 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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