An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.
NSN 6110-01-117-8836
NSN 5998-01-374-6750
NSN 5985-01-255-4042
NSN 2925-01-522-5631
NSN 2925-00-127-7828
NSN 5996-00-279-1510
NSN 5935-01-106-4607
NSN 5895-01-392-1700
NSN 6240-01-325-2948
NSN 5999-01-135-9776
NSN 5965-01-258-8735
NSN 6610-00-837-3012