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 6685-01-655-4393
NSN 6145-01-160-2274
NSN 5925-00-594-0840
NSN 6110-01-341-9819
NSN 5960-00-564-4792
NSN 5996-00-901-0519
NSN 5990-00-965-0495
NSN 6650-00-872-0942
NSN 6650-01-100-0933
NSN 5925-01-416-8176
NSN 5990-01-160-6978
NSN 6685-00-821-3046