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 6645-01-345-6828
NSN 5905-01-383-1989
NSN 2925-00-853-5039
NSN 5999-01-340-1874
NSN 5990-01-411-5930
NSN 5999-00-753-7450
NSN 6220-00-725-7494
NSN 7035-01-181-2705
NSN 4140-01-260-8106
NSN 5975-00-481-9094
NSN 2925-01-041-8201
NSN 5935-00-583-0062