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 6135-01-470-9738
NSN 5920-00-946-9147
NSN 6220-01-260-9199
NSN 5910-01-375-5077
NSN 5905-01-176-7358
NSN 6650-01-143-4586
NSN 5855-01-570-9714
NSN 6105-01-239-7626
NSN 7035-00-500-7839
NSN 5935-01-168-1111
NSN 6150-01-406-7548
NSN 5835-01-592-2350