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 5920-01-278-0600
NSN 7035-01-359-7460
NSN 4140-01-031-0286
NSN 5930-01-634-0659
NSN 5999-01-495-1344
NSN 6110-01-393-9187
NSN 5855-01-651-1393
NSN 5950-01-642-7976
NSN 5965-01-462-2291
NSN 5925-01-207-7996
NSN 5965-01-534-9088
NSN 6685-00-578-5951