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 5950-00-964-9949
NSN 5975-00-089-7694
NSN 6320-00-731-6134
NSN 5925-00-255-2048
NSN 6650-01-588-5210
NSN 5996-01-251-3640
NSN 5950-00-522-5430
NSN 6105-01-164-3714
NSN 5998-01-369-8300
NSN 6685-01-426-8929
NSN 5930-01-121-1165
NSN 5920-00-209-0443