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 5950-01-556-7989
NSN 6240-01-024-9856
NSN 5855-00-548-4742
NSN 6610-01-444-4001
NSN 5835-00-896-9597
NSN 5996-01-243-4072
NSN 6145-01-367-6929
NSN 5910-01-185-5164
NSN 5835-01-209-6410
NSN 5998-01-508-4223
NSN 5950-01-310-5548
NSN 5920-01-531-3120