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 6320-00-593-0379
NSN 5935-01-316-9659
NSN 6110-00-183-7788
NSN 6130-01-537-8360
NSN 6220-01-099-8561
NSN 5925-01-564-2154
NSN 4140-01-331-4239
NSN 6135-01-308-5688
NSN 5915-00-020-9249
NSN 5855-01-201-4857
NSN 5905-00-734-6386
NSN 5945-00-553-9886