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 6150-00-241-5439
NSN 7035-01-006-3186
NSN 5935-00-997-0787
NSN 5855-01-413-8962
NSN 5975-00-361-7793
NSN 6130-00-479-5059
NSN 5835-01-385-0579
NSN 5905-01-361-8432
NSN 6645-00-239-2222
NSN 6130-01-534-6634
NSN 5960-00-959-7413
NSN 6110-01-086-4204