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 5960-01-304-0416
NSN 6145-01-221-6518
NSN 6645-01-578-7959
NSN 6110-01-038-0891
NSN 5835-01-172-5884
NSN 7035-00-408-8170
NSN 6685-01-160-7313
NSN 6650-01-485-5388
NSN 5915-00-288-0071
NSN 6135-01-280-2883
NSN 5905-00-737-8560
NSN 6105-01-427-8439