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 5925-01-595-6276
NSN 5990-01-578-1499
NSN 5960-01-205-2604
NSN 6620-00-098-5652
NSN 6620-00-290-6505
NSN 2925-01-604-8984
NSN 5998-01-495-0882
NSN 6645-00-735-1481
NSN 5999-00-803-3939
NSN 6240-01-328-0718
NSN 5855-01-461-7726
NSN 6110-00-879-0810