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 5920-00-837-2633
NSN 2925-00-933-0200
NSN 5935-01-493-8596
NSN 5960-01-294-2397
NSN 5998-01-352-7153
NSN 5945-00-845-0595
NSN 5920-01-411-8571
NSN 5925-00-865-7004
NSN 5915-01-272-4182
NSN 6145-01-539-8674
NSN 5960-00-190-5817
NSN 6240-00-573-4716