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.
NSN 6620-01-476-7355
NSN 5945-01-113-6828
NSN 6145-01-513-2930
NSN 6150-00-456-2025
NSN 5905-01-384-2789
NSN 6320-01-286-7535
NSN 5935-01-390-0336
NSN 5835-01-168-6256
NSN 5935-01-056-2259
NSN 5950-01-204-6152
NSN 5915-00-719-6455
NSN 5895-01-608-2544