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 6220-01-167-1805
NSN 6620-00-930-5615
NSN 5945-01-547-1728
NSN 5910-00-653-2281
NSN 5985-01-212-8733
NSN 6610-00-466-3104
NSN 2925-01-146-0278
NSN 6150-01-395-4133
NSN 5855-01-603-2379
NSN 4140-00-063-2724
NSN 6650-01-115-7981
NSN 5999-01-151-9821