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 6645-00-719-9177
NSN 6685-01-463-7229
NSN 5950-01-397-2198
NSN 5905-00-103-7842
NSN 5999-01-081-5241
NSN 6620-01-539-5189
NSN 5996-01-252-1167
NSN 6135-00-935-8769
NSN 6645-01-435-6373
NSN 5999-00-266-3805
NSN 5905-01-264-5048
NSN 6685-00-594-4796