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 5925-00-660-7589
NSN 6130-00-456-0206
NSN 6610-01-183-9141
NSN 5905-01-566-9823
NSN 5998-01-098-1499
NSN 5990-01-467-7575
NSN 6150-00-498-6623
NSN 6135-00-221-4720
NSN 5960-01-462-1864
NSN 6620-01-464-6762
NSN 6220-01-537-7077
NSN 4140-01-398-1954