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 5990-01-386-5561
NSN 5930-00-322-4376
NSN 4140-00-555-3856
NSN 6110-00-105-9850
NSN 6130-01-320-2546
NSN 6685-01-386-7963
NSN 6685-01-046-9883
NSN 6650-01-627-7681
NSN 5930-01-400-6126
NSN 5960-00-797-7372
NSN 5999-01-155-4661
NSN 5990-01-045-7754