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 5915-00-481-4282
NSN 6220-01-547-0271
NSN 6135-00-321-6707
NSN 5930-01-152-0222
NSN 5945-01-543-2801
NSN 6650-01-064-6196
NSN 6220-01-399-7548
NSN 6610-01-250-2811
NSN 6240-01-273-0193
NSN 6220-01-657-8560
NSN 5998-01-435-5835
NSN 5965-01-453-4403