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 7035-01-189-7367
NSN 5905-00-889-7564
NSN 6150-00-137-0190
NSN 5990-01-133-0351
NSN 5990-01-548-3711
NSN 5935-00-368-9402
NSN 2925-00-126-2879
NSN 5950-01-013-9382
NSN 5950-01-461-7939
NSN 5905-01-190-2503
NSN 6130-00-856-7285
NSN 5960-01-495-0859