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 5990-00-847-6957
NSN 6220-01-181-5854
NSN 5935-01-119-6844
NSN 6685-01-445-5406
NSN 6240-00-099-8606
NSN 5945-00-757-7678
NSN 5920-00-224-9848
NSN 5910-01-509-6367
NSN 6685-00-705-4197
NSN 6130-00-109-5912
NSN 6105-01-276-3955
NSN 6105-01-170-4751