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 6220-01-453-4237
NSN 7035-00-252-7467
NSN 5930-01-304-4049
NSN 5950-01-065-6435
NSN 5990-00-534-9798
NSN 5990-01-392-5682
NSN 6110-01-498-2629
NSN 6150-00-753-3950
NSN 2925-01-041-8201
NSN 5950-00-156-2220
NSN 5920-00-835-9298
NSN 5996-00-361-9901