Blackened
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 6650-00-707-1417
NSN 5855-01-381-7493
NSN 6220-00-876-2931
NSN 6220-01-378-5496
NSN 6620-00-317-7820
NSN 6145-00-493-4073
NSN 6150-01-569-1936
NSN 6110-00-785-7927
NSN 5855-01-607-5982
NSN 5990-00-845-2864
NSN 7035-00-991-6877
NSN 5950-01-610-4188