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 6645-00-242-0480
NSN 7035-01-655-3275
NSN 6135-01-246-0308
NSN 2925-01-359-4027
NSN 5920-01-132-4059
NSN 4140-00-914-7949
NSN 5910-00-686-2375
NSN 5990-00-783-4560
NSN 5996-01-341-0828
NSN 4140-00-145-7334
NSN 6610-01-370-3072
NSN 5895-01-578-2627