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 6685-01-417-1807
NSN 6130-01-338-0109
NSN 6220-00-702-0677
NSN 7035-01-200-4751
NSN 6685-01-377-6433
NSN 6240-01-360-0225
NSN 6320-00-270-8222
NSN 6620-00-153-0982
NSN 6240-01-447-4003
NSN 5996-01-378-8028
NSN 5945-00-914-7735
NSN 6220-01-202-7954