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 6610-01-436-2803
NSN 5965-01-029-5222
NSN 5905-01-348-8919
NSN 5920-01-043-4848
NSN 5935-00-005-7283
NSN 6320-01-659-2819
NSN 6105-01-361-9248
NSN 5975-01-443-3056
NSN 5950-01-161-8198
NSN 5835-00-513-9680
NSN 5996-01-193-3220
NSN 5996-01-515-4431