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 5855-00-014-5008
NSN 5920-00-958-7202
NSN 5960-01-235-2586
NSN 6650-01-239-6241
NSN 6145-01-420-6369
NSN 6645-01-124-6277
NSN 6135-00-182-7008
NSN 6105-00-451-1206
NSN 5925-01-356-2749
NSN 6645-01-099-4322
NSN 5930-00-509-0690
NSN 6145-01-570-2597