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 6150-01-620-7767
NSN 6320-01-143-3597
NSN 6105-00-897-6630
NSN 6130-00-471-5067
NSN 5975-00-244-0706
NSN 6620-01-106-6510
NSN 6150-01-552-1136
NSN 5905-01-616-5817
NSN 5965-01-501-5638
NSN 5930-00-795-9537
NSN 5930-01-252-0959
NSN 5965-01-522-0404