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 6220-01-244-2411
NSN 5835-01-104-7183
NSN 5915-01-200-7449
NSN 5990-00-301-3386
NSN 5910-00-620-0891
NSN 6610-01-500-4466
NSN 5965-00-067-0290
NSN 5985-01-658-8989
NSN 5990-01-349-8132
NSN 6650-00-266-6808
NSN 6130-01-111-4065
NSN 6145-01-233-7827