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 5998-01-644-0788
NSN 5999-00-312-5368
NSN 2925-01-577-0004
NSN 4140-01-114-3014
NSN 6320-01-506-9439
NSN 5925-00-968-0558
NSN 5990-01-181-9886
NSN 5990-00-872-9370
NSN 6650-00-119-9431
NSN 5950-01-118-0018
NSN 6685-01-014-0712
NSN 5855-01-644-8142