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 6145-01-591-7130
NSN 5975-01-199-9375
NSN 5905-00-602-7627
NSN 6650-01-275-3112
NSN 6320-01-631-7828
NSN 5920-00-387-5312
NSN 6650-00-170-5095
NSN 5998-01-430-2594
NSN 5999-00-655-1308
NSN 6110-00-465-2375
NSN 6110-00-452-0448
NSN 4140-00-947-3918