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 5985-01-381-5768
NSN 5975-00-477-7197
NSN 6685-00-816-8838
NSN 6150-01-367-1387
NSN 5990-01-443-2931
NSN 5915-01-365-1132
NSN 5895-00-997-7371
NSN 6220-01-242-9901
NSN 6130-00-737-0459
NSN 5985-01-462-3897
NSN 5905-01-368-3379
NSN 2925-01-624-5647