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 6135-01-396-4900
NSN 7035-01-188-5935
NSN 6145-01-139-0986
NSN 6130-01-514-0420
NSN 5855-00-832-9341
NSN 6145-00-761-2878
NSN 5855-01-114-3513
NSN 5855-00-688-9954
NSN 6650-01-649-9639
NSN 5985-00-180-4611
NSN 5920-01-241-3227
NSN 5975-00-636-4910