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 2925-01-384-4139
NSN 6240-00-878-1965
NSN 2925-01-376-9236
NSN 5990-00-296-4825
NSN 5990-00-660-8608
NSN 5998-01-456-1329
NSN 5960-01-462-1864
NSN 7035-01-033-3007
NSN 2925-00-242-7688
NSN 5998-01-193-0512
NSN 2925-01-197-7864
NSN 6320-01-195-5583