Packaged Items
SinglePack of 50
AN No.Superseding NAS No.Bolt


AN960 flat washers are used under hex nuts to provide a smooth bearing surface, as shims to obtain the correct grip length for a bolt and nut assembly, and to adjust the position of AN310 and AN320 castle nuts with respect to drilled cotter pin holes in bolts and clevis pins. Available in regular and light thickness. Light Series Washers: Add the letter "L" to dash number to indicate light series. AN960C-416L is a light series cadmium plated stainless steel washer for 1/4" dia. bolt. Light series washers must be manually input on order form. Less 20% for quantity 100/Part No.
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Exactly what I was looking for for a special project I was working on. perfect dementions and material for a perfect price

Randall C
May 7, 2020

exactly, what is needed, for the job.

Donald M
May 3, 2020

I use these as back up washers for -4 (1/8) rivets. Hole is a little tight so I push the washer onto the rivet with a small socket driver. Much neater that the standard backup washer.

John R
May 1, 2020

Best price around , we buy thousands of these a year !!!

Holly L
February 29, 2020

Exactly what I needed excellent quality and price plus the shipping was reasonably for a change.

John A
February 27, 2020

Stephen S
February 24, 2020

Perfect fit for what I needed. Quick delivery too.

David G
September 25, 2019

This size washer is hard to find. Thank toy for helping me out !

John L
September 13, 2019

Common aircraft grade/specification fastener.

Gari M
May 6, 2019

Charles C
February 4, 2018


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: What is the thickness of these AN960C washers?

We have added a reference chart showing thickness, ID, and OD of the washers listed.

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