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 5945-00-303-5313
NSN 5965-01-627-2404
NSN 5990-00-926-4324
NSN 6150-01-475-4646
NSN 6150-01-214-1742
NSN 5915-00-974-3646
NSN 5945-00-409-9337
NSN 5960-00-244-1642
NSN 6685-01-315-1860
NSN 4140-00-953-9335
NSN 6645-01-113-6712
NSN 5910-01-313-3558