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 6220-01-204-1690
NSN 5910-01-443-3016
NSN 6110-01-328-4009
NSN 5905-01-065-2449
NSN 5930-00-876-4457
NSN 5975-00-013-8129
NSN 6620-00-699-5537
NSN 6650-00-241-0970
NSN 6620-01-610-5081
NSN 5905-01-373-8268
NSN 5910-01-399-7721
NSN 5996-00-857-8246