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 2925-01-359-4027
NSN 5930-00-320-7413
NSN 5975-00-960-5879
NSN 5965-00-147-3070
NSN 6320-01-412-2973
NSN 5960-01-442-9304
NSN 5835-01-522-1023
NSN 5960-00-152-9488
NSN 6320-01-322-4950
NSN 6145-00-925-2004
NSN 5945-01-375-7053
NSN 2925-01-209-3584