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 5935-01-573-6044
NSN 6650-00-555-1061
NSN 5855-01-045-5497
NSN 5999-00-379-4659
NSN 6320-01-443-4972
NSN 5895-00-900-5449
NSN 5895-00-216-5849
NSN 6145-00-078-9917
NSN 6685-01-507-7268
NSN 2925-01-268-5464
NSN 6150-01-176-2418
NSN 6320-01-458-9567