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 6145-01-628-7160
NSN 5960-00-034-7925
NSN 6110-00-909-9382
NSN 5950-01-092-1505
NSN 6610-00-010-9714
NSN 5915-01-580-0308
NSN 6610-01-359-0008
NSN 5925-00-265-9488
NSN 6320-01-612-7035
NSN 6685-01-350-4330
NSN 5915-01-268-8037
NSN 6610-00-466-3104