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.
NSN 6220-01-621-8757
NSN 5925-01-545-7165
NSN 5905-01-367-2819
NSN 5985-00-127-6276
NSN 5965-01-500-9207
NSN 5945-00-956-1341
NSN 5905-01-186-2147
NSN 5895-00-947-5348
NSN 7035-00-476-7178
NSN 6135-01-629-0198
NSN 5975-00-410-6172
NSN 5935-01-631-3176