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 6240-01-567-2376
NSN 5999-01-618-4306
NSN 6150-01-462-9115
NSN 5985-00-529-0093
NSN 5915-00-269-9252
NSN 6685-00-287-7564
NSN 5990-00-443-7378
NSN 5965-01-184-2477
NSN 5925-01-562-7337
NSN 5920-01-070-6603
NSN 6110-01-367-5996
NSN 6685-00-269-6444