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MIL Spec Cotter Pin for Castellated Nut

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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 AN5208 MS24665-208
3/8-24 AN6283 MS24665-283
7/16-20 AN7 283 MS24665-283
1/2-20 AN8285 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.
Desc.
Price
Status

MS24665-132

MIL Spec Cotter Pin for Castellated Nut, 1/16" x 1/2" 100pk

1 to 9: $1.69

10 & up: $1.50

In Stock

MS24665-208

MIL Spec Cotter Pin for Castellated Nut, 5/64" x 1/2" 100pk

1 to 9: $1.99

10 & up: $1.84

In Stock

MS24665-283

MIL Spec Cotter Pin for Castellated Nut, 3/32" x 3/4" 100pk

1 to 9: $2.39

10 & up: $2.13

In Stock

MS24665-285

MIL Spec Cotter Pin for Castellated Nut, 3/32" x 1" 100pk

1 to 9: $2.69

10 & up: $2.40

In Stock