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 5960-00-669-9793
NSN 4140-01-250-5431
NSN 6610-00-105-1665
NSN 5985-01-241-3006
NSN 6150-00-106-8747
NSN 6150-01-557-3263
NSN 5935-01-330-1781
NSN 5975-01-322-4886
NSN 2925-00-177-6969
NSN 6685-01-508-2060
NSN 5990-00-864-5207
NSN 5965-00-836-2690