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 6110-01-476-8067
NSN 5930-00-494-1825
NSN 5855-00-878-8137
NSN 5965-01-423-8335
NSN 6610-01-172-4041
NSN 4140-01-392-9808
NSN 5996-01-515-4431
NSN 5835-01-508-2528
NSN 5950-01-090-6278
NSN 6650-01-610-6739
NSN 6620-01-562-8816
NSN 5835-01-083-8131