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 5915-00-416-9716
NSN 5965-01-542-8510
NSN 5895-00-472-3985
NSN 5985-01-457-5103
NSN 5996-01-607-3030
NSN 6145-00-959-5897
NSN 6620-00-270-3275
NSN 5975-01-430-4124
NSN 6220-01-124-0918
NSN 5920-00-681-6464
NSN 5996-00-719-4768
NSN 5985-01-232-4684