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 6130-00-983-5539
NSN 6145-00-468-1261
NSN 5950-00-221-2962
NSN 4140-01-113-8313
NSN 5950-01-187-8803
NSN 6620-01-124-0947
NSN 6220-01-313-9583
NSN 5965-01-254-6527
NSN 6220-01-406-5310
NSN 6240-01-593-4728
NSN 5945-00-806-8391
NSN 2925-01-657-9741