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 5990-00-697-8883
NSN 6620-01-242-7236
NSN 5975-01-262-1948
NSN 7035-01-328-7448
NSN 5998-00-773-6170
NSN 5950-01-348-2056
NSN 5998-00-237-1038
NSN 4140-01-571-9794
NSN 5998-01-199-4923
NSN 6685-00-068-6118
NSN 5965-01-596-2944
NSN 5960-01-553-4557