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 6130-01-173-0646
NSN 6620-01-614-3591
NSN 5935-00-182-8746
NSN 5930-01-531-6266
NSN 5855-01-066-4399
NSN 6220-01-441-0977
NSN 4140-00-344-8601
NSN 6620-01-517-0014
NSN 5990-00-351-5479
NSN 5985-01-299-2301
NSN 5905-00-789-5982
NSN 6645-01-457-7565