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 5920-01-364-1167
NSN 6685-01-544-9697
NSN 5895-01-448-9587
NSN 5998-01-106-0029
NSN 6130-00-512-8692
NSN 5999-01-557-7482
NSN 6610-00-365-4454
NSN 6110-01-196-3560
NSN 5835-01-416-6449
NSN 5998-01-431-9775
NSN 5975-01-238-4687
NSN 6650-00-495-8710