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 6685-01-154-4139
NSN 6130-01-545-0630
NSN 7035-01-068-5077
NSN 5975-01-413-0540
NSN 7035-01-361-8821
NSN 4140-00-354-0400
NSN 6130-01-450-0338
NSN 7035-01-412-8322
NSN 5960-00-960-3177
NSN 6110-01-024-9428
NSN 5915-01-462-0432
NSN 5930-01-466-7152