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 5990-01-548-2151
NSN 6320-01-659-2819
NSN 5998-01-207-1651
NSN 4140-00-450-4484
NSN 6240-00-887-4770
NSN 6610-01-442-3509
NSN 6320-01-532-7491
NSN 5925-01-367-2519
NSN 5910-00-187-6670
NSN 5925-01-147-5197
NSN 6130-01-373-5892
NSN 5930-01-214-3314