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 6610-01-215-8489
NSN 5905-01-472-9496
NSN 5999-01-632-9216
NSN 5925-01-463-0305
NSN 5965-01-251-4381
NSN 6650-01-230-5155
NSN 5945-01-367-5973
NSN 6610-00-195-7517
NSN 6110-01-462-8995
NSN 5925-00-182-7452
NSN 5910-01-071-5650
NSN 6645-01-382-4940