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 6685-01-416-2119
NSN 6320-01-574-1915
NSN 5835-00-170-5238
NSN 5905-00-388-6346
NSN 5950-00-140-9696
NSN 6150-01-219-6980
NSN 5945-00-062-3142
NSN 5835-01-396-0640
NSN 5895-01-643-0563
NSN 5965-01-359-5501
NSN 4140-01-473-2922
NSN 5905-01-428-7774