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.
NSN 5975-00-577-0168
NSN 5975-01-294-3474
NSN 6685-00-068-4714
NSN 6645-01-330-2616
NSN 4140-01-478-3897
NSN 5905-01-515-3713
NSN 5975-01-240-7888
NSN 5965-00-984-1393
NSN 5935-00-270-0086
NSN 7035-01-350-4247
NSN 6135-01-297-5565
NSN 6240-01-624-8924