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 6620-00-773-2931
NSN 6320-01-600-5808
NSN 6645-00-285-8781
NSN 6650-00-724-8258
NSN 5960-01-014-0669
NSN 6240-01-169-4664
NSN 5945-01-474-7584
NSN 5998-00-132-5183
NSN 6135-00-686-4777
NSN 6685-01-063-7425
NSN 6650-00-653-1744
NSN 6130-00-377-0655