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 5930-01-299-7680
NSN 5950-00-751-8990
NSN 6645-01-386-6311
NSN 5895-00-837-3441
NSN 6105-01-291-1844
NSN 6145-00-006-8438
NSN 6610-01-267-3678
NSN 5990-00-186-2445
NSN 6240-01-200-7937
NSN 5910-01-322-4904
NSN 5920-00-909-5898
NSN 5990-01-321-2997