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 5910-01-088-1987
NSN 6110-01-399-4899
NSN 6650-01-437-8852
NSN 5910-01-550-2300
NSN 6110-01-421-2308
NSN 5975-01-046-8151
NSN 5920-01-245-8510
NSN 6645-01-633-1852
NSN 5999-01-495-4041
NSN 6110-01-410-7637
NSN 6145-00-009-0619
NSN 5935-00-585-3589