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 2925-01-474-3363
NSN 6145-00-086-3746
NSN 5915-00-406-0846
NSN 5935-01-417-8729
NSN 5935-01-470-1857
NSN 5945-01-206-0455
NSN 7035-00-922-5700
NSN 6610-00-209-4372
NSN 5835-01-279-9508
NSN 6320-01-021-6633
NSN 2925-00-251-0105
NSN 5999-01-244-1880