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 6130-00-269-0579
NSN 5855-00-058-1293
NSN 5905-01-167-8138
NSN 5950-00-932-3232
NSN 6220-01-270-7766
NSN 6130-01-337-2644
NSN 6110-00-819-5768
NSN 5965-01-399-8454
NSN 5935-00-868-0306
NSN 6150-01-297-5623
NSN 5998-01-090-0724
NSN 6620-01-215-0470