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 6130-01-114-7375
NSN 5895-00-076-2200
NSN 6240-01-517-7566
NSN 6145-01-162-0607
NSN 4140-00-009-8803
NSN 6135-01-603-3657
NSN 6105-01-025-5981
NSN 6110-01-542-3191
NSN 5920-00-541-1119
NSN 6650-01-594-3888
NSN 2925-00-770-4713
NSN 5855-01-623-6879