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 5905-01-440-9746
NSN 6685-01-495-1007
NSN 5855-01-323-5394
NSN 5965-01-088-5414
NSN 7035-00-631-3782
NSN 6620-00-246-5159
NSN 6620-00-643-1402
NSN 6150-00-387-3045
NSN 4140-00-112-0630
NSN 6320-01-512-2031
NSN 5935-00-456-1779
NSN 6240-01-429-2747