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 5998-00-831-7925
NSN 6685-01-531-1910
NSN 5915-01-619-8804
NSN 6610-01-578-1976
NSN 5920-01-139-5368
NSN 5945-01-163-5198
NSN 5935-01-515-1355
NSN 5945-00-392-4201
NSN 6130-01-376-0009
NSN 7035-01-284-5043
NSN 5925-00-081-9135
NSN 6650-01-291-5024