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 5998-01-239-1051
NSN 7035-00-488-9765
NSN 5920-01-132-0178
NSN 5990-01-258-3848
NSN 6220-00-863-0134
NSN 5996-01-442-8751
NSN 5910-01-215-1900
NSN 5930-01-579-8697
NSN 5835-01-063-1522
NSN 5915-01-286-5540
NSN 6240-01-288-7228
NSN 6220-00-113-3622