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 6240-00-440-3656
NSN 5990-00-172-7951
NSN 5999-01-435-6568
NSN 5965-00-196-7320
NSN 5915-00-705-9410
NSN 5999-01-616-6485
NSN 5915-01-230-0857
NSN 5990-00-124-2556
NSN 6105-01-519-1922
NSN 6130-01-167-8036
NSN 5990-01-503-9804
NSN 5985-00-021-8836