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 5950-00-266-9058
NSN 6110-01-490-6575
NSN 5965-00-258-6809
NSN 6135-01-180-9611
NSN 6650-01-410-8542
NSN 4140-00-595-7535
NSN 5925-00-908-2843
NSN 5950-00-161-6054
NSN 6135-00-676-5807
NSN 6150-01-449-5823
NSN 6105-01-357-1963
NSN 5915-01-468-6100