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 5999-00-148-6146
NSN 6645-01-170-7368
NSN 5960-01-487-6436
NSN 5905-01-435-0130
NSN 5905-00-633-1652
NSN 5999-00-404-9296
NSN 5835-00-198-4936
NSN 6130-01-467-2722
NSN 7035-01-348-5153
NSN 5960-01-632-6576
NSN 5960-00-161-3728
NSN 6150-00-344-2670