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 6320-01-371-3047
NSN 6220-01-504-9892
NSN 2925-01-534-7314
NSN 6650-01-282-8015
NSN 2925-01-157-9204
NSN 5835-01-282-2421
NSN 6650-00-364-7866
NSN 5925-00-280-0418
NSN 5910-00-362-6687
NSN 6145-01-025-0353
NSN 6135-00-801-3493
NSN 5950-00-835-4397