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 5960-00-351-4821
NSN 6610-01-083-1446
NSN 5998-01-462-8160
NSN 5990-01-463-2279
NSN 2925-01-004-5627
NSN 5999-01-658-6962
NSN 6130-00-155-9918
NSN 6135-00-880-1026
NSN 5835-00-583-1316
NSN 5985-00-472-7848
NSN 6240-00-688-6351
NSN 7035-01-413-6697