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 5925-01-389-1215
NSN 5999-01-498-4091
NSN 5985-01-437-4146
NSN 5915-00-326-2096
NSN 5935-01-497-5830
NSN 5960-00-170-9614
NSN 5935-00-820-6641
NSN 6110-00-232-5406
NSN 4140-01-465-1748
NSN 6130-00-103-1245
NSN 5895-00-576-4865
NSN 6685-01-517-0877