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 5910-01-659-5094
NSN 5905-01-376-9476
NSN 6220-01-621-6418
NSN 5855-01-424-1090
NSN 6685-01-243-5833
NSN 2925-01-519-3221
NSN 7035-01-521-3449
NSN 5920-01-547-2700
NSN 6645-00-077-1805
NSN 2925-01-197-7864
NSN 5835-01-522-1023
NSN 5999-01-451-9729