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 5996-01-604-8629
NSN 6135-01-441-0402
NSN 6645-01-643-7151
NSN 5895-01-082-6098
NSN 6105-01-555-8479
NSN 5930-01-351-8953
NSN 6105-01-248-1702
NSN 6150-01-566-6262
NSN 5996-00-730-3971
NSN 6685-01-634-0611
NSN 6685-01-147-5617
NSN 6220-00-227-0528