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 6320-00-004-9158
NSN 6320-01-352-5653
NSN 5910-01-633-9963
NSN 5950-01-512-5101
NSN 2925-01-476-3224
NSN 6645-00-805-0066
NSN 6320-00-779-5923
NSN 4140-01-217-6290
NSN 5945-01-381-2038
NSN 6610-01-331-6966
NSN 6620-01-116-2632
NSN 6110-00-758-2051