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 5855-01-058-5576
NSN 5945-00-889-0758
NSN 4140-01-023-8846
NSN 5895-01-010-4164
NSN 5945-00-090-9516
NSN 5925-01-570-6132
NSN 6645-01-414-6125
NSN 5915-01-390-0624
NSN 6150-01-105-5603
NSN 5996-01-085-6246
NSN 6645-01-504-3394
NSN 5895-01-054-6492