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 6620-01-562-6865
NSN 6240-01-145-3931
NSN 5920-00-740-3121
NSN 6130-01-266-6335
NSN 5855-00-862-3345
NSN 6620-01-260-7112
NSN 5915-00-211-2219
NSN 6645-01-211-6502
NSN 6130-00-719-7219
NSN 6240-01-208-4323
NSN 6240-01-400-1311
NSN 5905-01-451-7391