Customers who purchased this item also purchased:

AN310 Castellated Nut

AN6 Airframe Bolt, 3/8-24 Thread

AN4 Airframe Bolt, 1/4-28 Thread

AN5 Airframe Bolt, 5/16-24 Thread

What our customers are saying:

"I would like to thank your team for fast efficient service. I was blown away by how quick it showed up - something we never see in Australia. I have purchased parts from overseas many times before but you guys have been the most impressive! Thanks again for your help and prompt response."
P.B. from Australia

Mil-Spec Cotter Pins for Castellated Nut, 100 pack

These high-quality plated steel Mil-Spec cotter pins are correctly sized to work with AN310 Castellated Nuts and drilled shank airframe bolts. Sold in packages of 100.

MS24665 Cotter Pins
Thread Size	AN Bolt Size	Pin Size	Part No.
10-32	AN3	132	MS24665-132
1/4-28	AN4	208	MS24665-208
5/16-24	AN5	208	MS24665-208
3/8-24	AN6	283	MS24665-283
7/16-20	AN7	283	MS24665-283
1/2-20	AN8	285	MS24665-285

We also offer a variety of larger but less expensive Cotter Pins (Part No. 660) which do not conform to military specifications.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty

Part No.

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Stock Status

MS24665-132
Condition: New
SKU: 40382

Mil-Spec Cotter Pins for Castellated Nut, 1/16" x 1/2" 100pk

1 to 7: $3.69 8 to 59: $3.39 60 & up: $3.08

In Stock

MS24665-208
Condition: New
SKU: 40383

Mil-Spec Cotter Pins for Castellated Nut, 5/64" x 1/2" 100pk

1 to 5: $10.99 6 & up: $10.08

In Stock

MS24665-283
Condition: New
SKU: 40384

Mil-Spec Cotter Pins for Castellated Nut, 3/32" x 3/4" 100pk

1 to 7: $8.99 8 & up: $8.24

In Stock

MS24665-285
Condition: New
SKU: 40385

Mil-Spec Cotter Pins for Castellated Nut, 3/32" x 1", 100 pk

1 to 7: $8.49 8 & up: $7.79

In Stock

Customers who purchased this item also purchased
AN960 Flat Washer (100 pack)	AN310 Castellated Nut	AN6 Airframe Bolt, 3/8-24 Thread	AN4 Airframe Bolt, 1/4-28 Thread	AN5 Airframe Bolt, 5/16-24 Thread

Mil-Spec Cotter Pins for Castellated Nut, 100 pack

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Related Product Groups

Airframe (AN) & Mil-Spec (MS) Nuts

Cotter Pins (Split Pins)