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 5895-01-502-1488
NSN 6105-01-083-0464
NSN 6105-01-599-5240
NSN 5855-01-533-7051
NSN 5950-00-881-7744
NSN 6110-00-721-4042
NSN 5920-01-003-4267
NSN 5985-01-089-9514
NSN 5990-01-247-5439
NSN 5950-01-609-3355
NSN 6220-01-110-4668
NSN 5925-01-414-0522