A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5990-01-493-4039
NSN 6220-01-581-3990
NSN 6610-01-512-8154
NSN 5999-00-725-0016
NSN 5999-00-151-4062
NSN 5925-01-367-0223
NSN 5905-01-550-7604
NSN 6645-01-322-8897
NSN 6650-00-957-9985
NSN 5950-00-153-3919
NSN 5895-00-468-4103
NSN 5965-01-077-3346