A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5905-00-655-9282
NSN 5999-01-387-7364
NSN 5999-01-023-3158
NSN 6650-01-391-4461
NSN 5920-00-798-5710
NSN 6145-01-516-6203
NSN 6145-01-582-1618
NSN 6645-01-456-0103
NSN 7035-01-658-5813
NSN 5945-00-140-6312
NSN 6135-00-756-6149
NSN 6145-00-101-9857