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 5925-01-082-0591
NSN 5910-00-188-9624
NSN 5975-00-518-0780
NSN 5835-01-155-8301
NSN 5855-00-491-7079
NSN 6320-01-383-9979
NSN 4140-01-193-1814
NSN 5835-01-201-6389
NSN 2925-01-623-4424
NSN 5925-00-825-3241
NSN 5855-01-275-8080
NSN 5855-01-608-5809