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 5920-01-195-7254
NSN 5915-00-251-3906
NSN 2925-01-298-2674
NSN 5905-01-050-7449
NSN 5835-00-413-4701
NSN 5920-01-500-5858
NSN 5855-01-431-8937
NSN 4140-01-541-4282
NSN 5965-01-392-6179
NSN 5905-00-752-7484
NSN 5930-01-099-8404
NSN 5985-00-526-3469