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 5965-01-560-0056
NSN 6105-01-445-7182
NSN 5998-00-008-2721
NSN 5930-00-275-8237
NSN 5925-01-246-5464
NSN 6650-00-338-7350
NSN 6145-00-422-7146
NSN 6650-01-090-0099
NSN 5960-01-140-8009
NSN 5915-01-608-4816
NSN 6150-01-105-9187
NSN 6145-00-408-1724