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 5945-00-197-0108
NSN 6610-01-369-6280
NSN 5965-01-496-9525
NSN 2925-01-483-6096
NSN 5945-00-999-5198
NSN 5855-01-329-6087
NSN 5910-00-276-6883
NSN 5930-01-021-2776
NSN 5905-00-764-2860
NSN 5985-00-677-4432
NSN 5895-01-087-3989
NSN 5835-00-553-3575