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 6105-01-446-6250
NSN 6145-00-466-4068
NSN 5965-00-232-7395
NSN 5990-01-307-4489
NSN 6645-01-133-8359
NSN 6110-01-147-8062
NSN 6620-01-436-2715
NSN 5925-00-069-3015
NSN 6220-01-339-7557
NSN 5965-01-528-8152
NSN 4140-00-078-9357
NSN 6645-00-736-0476