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 5910-00-248-6899
NSN 5998-01-455-1318
NSN 5999-00-919-5488
NSN 4140-01-241-5759
NSN 5930-01-327-4699
NSN 5935-00-905-0122
NSN 5930-01-605-1071
NSN 5965-01-578-6260
NSN 5895-01-423-7828
NSN 5855-00-455-6070
NSN 5990-01-555-6616
NSN 5945-00-313-9512