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 5990-01-336-3976
NSN 4140-00-230-4252
NSN 5998-00-953-4063
NSN 5975-00-327-4477
NSN 5905-01-504-2659
NSN 5935-00-246-2575
NSN 5935-01-104-4036
NSN 5950-01-430-5502
NSN 5905-01-658-6887
NSN 6110-00-308-3993
NSN 5925-01-351-0694
NSN 5998-01-239-4617