An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5905-01-430-7231
NSN 5996-00-277-7384
NSN 5910-01-420-9735
NSN 5905-00-275-0361
NSN 6650-00-283-0978
NSN 5990-00-416-9831
NSN 6650-01-137-3278
NSN 5950-01-374-6933
NSN 5925-01-524-0448
NSN 6150-01-611-8204
NSN 5945-01-563-3443
NSN 5930-01-083-0670