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 5915-01-240-5463
NSN 5920-00-871-1045
NSN 6645-01-435-6373
NSN 5895-01-547-5450
NSN 6645-01-245-8390
NSN 6240-00-937-6083
NSN 5996-01-512-7678
NSN 5960-00-153-7115
NSN 6130-01-437-7729
NSN 5960-01-091-2444
NSN 5930-00-374-5962
NSN 6645-01-320-4138