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 5915-00-455-7703
NSN 5920-01-025-1618
NSN 6240-01-447-8088
NSN 6150-01-578-1615
NSN 6110-00-950-3058
NSN 5999-01-598-3014
NSN 5990-01-133-0351
NSN 6620-01-542-2689
NSN 6650-01-119-4576
NSN 6620-00-269-8950
NSN 6135-00-299-6918
NSN 5945-01-381-5487