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 5895-01-363-4110
NSN 6220-01-094-1207
NSN 5990-00-401-6793
NSN 5915-01-363-7347
NSN 6130-01-204-3814
NSN 7035-01-325-7658
NSN 6240-01-069-4711
NSN 5895-00-427-6159
NSN 5998-01-477-6454
NSN 6320-01-227-2648
NSN 5925-01-215-3817
NSN 4140-01-429-9060