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 5855-01-270-6847
NSN 5990-01-056-6413
NSN 6105-01-476-9092
NSN 5990-01-421-3325
NSN 5920-01-100-3018
NSN 6620-00-591-4029
NSN 6110-01-442-2295
NSN 6320-01-390-5385
NSN 5950-00-189-9922
NSN 5895-01-333-1013
NSN 6240-01-321-5168
NSN 5965-00-153-5216