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 6130-01-450-4642
NSN 5965-00-639-6621
NSN 5925-00-290-4451
NSN 5990-01-443-2931
NSN 5905-00-699-1080
NSN 5985-01-105-3847
NSN 6220-00-752-8479
NSN 6220-00-087-0284
NSN 5998-01-182-5370
NSN 6650-00-267-0390
NSN 6145-00-508-8353
NSN 5910-01-367-5370