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 5990-01-328-2385
NSN 6320-01-029-4220
NSN 6610-00-536-4977
NSN 5920-00-045-4211
NSN 5998-01-304-8122
NSN 6105-01-387-8294
NSN 5965-01-104-0947
NSN 5930-00-322-9441
NSN 5925-01-190-6719
NSN 6610-01-527-1599
NSN 6110-00-188-9874
NSN 6150-01-039-5916