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 5965-01-368-2966
NSN 6645-01-135-8498
NSN 5935-00-892-3059
NSN 6320-00-500-1545
NSN 6650-00-084-4258
NSN 5910-01-422-7427
NSN 4140-00-069-3506
NSN 6685-00-797-1153
NSN 5996-00-476-7030
NSN 6135-00-209-6918
NSN 2925-01-068-3844
NSN 6240-00-586-6428