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 5990-01-219-9018
NSN 5905-00-867-0929
NSN 5905-01-646-3122
NSN 6685-01-440-8749
NSN 5855-01-525-4041
NSN 5895-01-027-1709
NSN 5930-01-367-6905
NSN 5915-00-225-9248
NSN 5960-01-525-1690
NSN 6320-00-908-6841
NSN 5998-00-998-8940
NSN 6220-01-522-4937