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 6110-01-622-1756
NSN 6220-01-185-5545
NSN 6620-01-171-9597
NSN 5835-01-054-2094
NSN 6145-01-264-1673
NSN 5935-01-521-7219
NSN 7035-00-003-7518
NSN 6130-01-429-7717
NSN 6240-01-288-7228
NSN 5996-01-555-7690
NSN 5895-00-222-5043
NSN 5855-00-906-5386