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 6620-01-157-9267
NSN 5895-00-387-4901
NSN 5855-01-042-7990
NSN 2925-00-918-0859
NSN 5965-01-157-2403
NSN 5999-00-723-2072
NSN 5999-01-005-1387
NSN 5905-01-544-7270
NSN 5930-01-502-7034
NSN 2925-01-433-8915
NSN 5965-00-894-0015
NSN 4140-01-256-0910