A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6150-01-320-2660
NSN 6240-01-329-7228
NSN 6145-00-682-6993
NSN 6645-01-199-0062
NSN 6320-01-386-7396
NSN 5950-01-411-9603
NSN 6150-00-891-7922
NSN 6685-01-328-1914
NSN 6685-01-364-1025
NSN 6135-01-430-3119
NSN 5965-01-343-2543
NSN 6220-00-760-3994