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 5915-00-233-1755
NSN 5905-01-544-4242
NSN 6135-01-056-4609
NSN 2925-01-364-7926
NSN 6145-01-310-6889
NSN 5935-01-208-0369
NSN 5996-01-607-7035
NSN 6320-01-219-5174
NSN 5915-00-072-8170
NSN 5990-01-544-4360
NSN 5975-01-306-8710
NSN 4140-01-246-0299