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 6650-01-408-5089
NSN 6145-01-568-4929
NSN 5975-01-580-1646
NSN 6685-00-337-5529
NSN 5965-01-425-2039
NSN 5990-01-413-2405
NSN 5965-00-215-5866
NSN 5895-01-326-0749
NSN 4140-01-251-4367
NSN 5920-01-104-4332
NSN 5965-01-357-2317
NSN 6130-01-165-7341