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 7035-01-202-8172
NSN 6110-01-597-5772
NSN 4140-00-365-2531
NSN 6105-01-075-8658
NSN 6320-01-149-8865
NSN 5985-01-631-3956
NSN 7035-01-495-5063
NSN 6240-01-200-3453
NSN 5855-00-631-4565
NSN 5985-01-507-1346
NSN 5925-01-100-0970
NSN 6145-00-162-7922