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 5990-01-109-3511
NSN 5990-00-945-2332
NSN 6650-01-028-7024
NSN 6150-01-588-1161
NSN 6145-01-469-5599
NSN 5950-01-439-5012
NSN 5920-01-322-7553
NSN 5905-00-910-8135
NSN 6150-01-328-6757
NSN 6105-01-433-7990
NSN 5998-01-218-9201
NSN 6685-01-170-2578