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 6135-01-591-4181
NSN 5905-01-246-7681
NSN 6650-01-274-2522
NSN 2925-01-469-8229
NSN 6220-00-149-0977
NSN 5920-01-657-5856
NSN 6620-01-179-0779
NSN 4140-00-919-8167
NSN 5975-00-359-6030
NSN 6150-01-614-5605
NSN 5895-01-238-1077
NSN 6645-00-208-0796