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 5895-01-658-1744
NSN 6110-01-217-2870
NSN 6135-01-136-1059
NSN 5855-01-424-2769
NSN 5960-01-418-2641
NSN 5960-01-457-0157
NSN 5910-01-322-9065
NSN 6320-01-585-8468
NSN 5950-00-393-1553
NSN 5915-01-160-0080
NSN 6145-01-505-5614
NSN 5925-00-554-4114