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 5965-01-500-2468
NSN 6620-01-157-9267
NSN 5915-01-112-3055
NSN 6130-00-835-1482
NSN 5905-00-392-5508
NSN 5990-01-378-7349
NSN 5905-00-251-3181
NSN 5950-01-591-3413
NSN 6610-01-269-5437
NSN 5920-00-789-8247
NSN 6110-01-538-0768
NSN 6320-01-322-8340