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 5985-00-203-1200
NSN 6220-01-511-2862
NSN 6110-00-263-6664
NSN 5985-01-130-7069
NSN 6130-01-519-4846
NSN 6220-00-977-3714
NSN 4140-01-168-8796
NSN 7035-00-631-3782
NSN 5996-01-472-2509
NSN 5925-00-840-5393
NSN 6130-00-081-2186
NSN 6650-00-071-3102