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 2925-01-556-0333
NSN 6620-00-538-8746
NSN 5990-01-539-4653
NSN 5996-00-102-4497
NSN 5855-00-014-5008
NSN 5910-01-495-1056
NSN 5930-00-959-3744
NSN 6135-00-255-1340
NSN 7035-00-193-2269
NSN 5950-00-177-2443
NSN 6150-00-284-2976
NSN 5990-01-034-2390