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 5910-01-218-4922
NSN 4140-00-534-1408
NSN 5915-01-140-3783
NSN 6240-01-243-6884
NSN 6320-00-583-3105
NSN 6685-01-305-8362
NSN 5920-00-155-2173
NSN 4140-01-499-8906
NSN 2925-00-836-2323
NSN 5990-00-767-0893
NSN 5905-01-154-6157
NSN 5905-01-076-9399