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 5935-01-593-8963
NSN 5990-01-170-0077
NSN 5915-01-528-1169
NSN 5925-00-096-5165
NSN 6610-01-346-2802
NSN 6650-01-531-2439
NSN 5895-01-571-8440
NSN 6610-00-608-1907
NSN 4140-01-140-0966
NSN 5975-01-161-6531
NSN 5975-01-139-4958
NSN 5910-00-499-2570