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 6110-01-598-0249
NSN 5945-01-358-5663
NSN 6320-01-355-3998
NSN 5950-00-365-7583
NSN 7035-01-633-9537
NSN 6650-00-917-0436
NSN 5935-01-424-2552
NSN 5935-00-824-6175
NSN 6620-01-140-4405
NSN 5925-00-843-0315
NSN 6685-00-242-6722
NSN 4140-01-462-4242