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 5965-01-237-3342
NSN 6645-01-400-2119
NSN 5915-01-336-4413
NSN 4140-00-690-5288
NSN 6320-01-192-0332
NSN 5996-01-348-2381
NSN 5996-01-229-4839
NSN 6130-01-484-2162
NSN 5910-01-650-1735
NSN 5920-01-533-5436
NSN 5895-01-541-3381
NSN 6645-01-201-5802