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 6320-00-331-7138
NSN 6650-01-126-8552
NSN 5945-01-418-8094
NSN 6645-01-394-5149
NSN 5895-01-458-5330
NSN 6620-01-337-0652
NSN 5925-01-142-1996
NSN 6610-01-108-0417
NSN 2925-01-244-3016
NSN 7035-00-865-9105
NSN 5990-01-200-7460
NSN 5960-01-449-3349