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 5855-01-233-2767
NSN 6130-00-473-2270
NSN 5925-01-110-3691
NSN 5935-01-174-7855
NSN 5960-01-495-0859
NSN 2925-01-528-7333
NSN 2925-01-324-3533
NSN 5985-01-376-0307
NSN 6685-00-932-1322
NSN 5895-01-519-7556
NSN 5999-01-431-8728
NSN 6240-00-123-7648