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 5935-00-872-4977
NSN 6110-01-451-5089
NSN 5930-01-157-8219
NSN 4140-00-438-2485
NSN 5998-01-265-2036
NSN 5990-00-116-6590
NSN 5915-01-516-8410
NSN 6150-01-094-8515
NSN 5920-01-607-1661
NSN 6220-01-536-9468
NSN 5960-00-868-7599
NSN 5905-00-603-9240