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 5999-00-664-1818
NSN 6145-01-629-4079
NSN 5996-00-525-1777
NSN 5905-00-308-9901
NSN 7035-00-079-7189
NSN 5915-00-248-5824
NSN 6220-00-959-5970
NSN 4140-00-068-0267
NSN 6220-01-223-3984
NSN 6130-00-871-3690
NSN 5925-01-648-1410
NSN 5996-01-462-1631