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 5998-01-213-4124
NSN 6150-00-270-1001
NSN 6135-00-284-1406
NSN 5965-00-791-0964
NSN 6135-01-394-4160
NSN 5835-01-612-4753
NSN 5835-00-427-2772
NSN 6650-01-164-0191
NSN 6620-01-479-2352
NSN 5985-00-211-7383
NSN 5835-01-090-2844
NSN 6130-01-422-0967