Nut - Nylon Locknut (4-40, 10 pack)

Nut - Nylon Locknut (4-40, 10 pack) (PRT-10460)

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"Description: These are standard locknuts with 4-40 thread. For use with 4-40 machine screws. They have a nylon insert that allows them to stay tightly in place. Note: These come in packs of 10."