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 6240-01-642-9552
NSN 6685-01-634-0611
NSN 5975-01-359-9448
NSN 5925-01-137-6161
NSN 5910-01-260-3982
NSN 6620-00-843-5336
NSN 6220-00-959-5970
NSN 6650-01-011-3472
NSN 5895-00-360-0117
NSN 5996-01-490-0955
NSN 5895-00-005-5535
NSN 6130-00-170-4844