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 5975-01-577-0433
NSN 6145-01-458-3619
NSN 5935-01-462-6962
NSN 6610-01-014-2079
NSN 5999-01-433-7499
NSN 5855-00-560-0110
NSN 2925-00-194-7407
NSN 5945-01-612-1804
NSN 6650-01-444-0551
NSN 6685-01-088-7317
NSN 5965-01-274-2151
NSN 5835-01-608-4285