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 5835-01-041-0873
NSN 6650-01-431-9625
NSN 5999-00-777-0442
NSN 6685-01-459-9544
NSN 6135-01-319-5567
NSN 5835-01-561-2959
NSN 5990-00-167-2692
NSN 4140-00-242-6465
NSN 7035-00-834-2090
NSN 5930-00-111-4301
NSN 4140-01-132-0093
NSN 6150-01-141-7033