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 6110-00-717-1737
NSN 5925-01-630-2413
NSN 5990-01-011-0683
NSN 6150-01-384-9109
NSN 5990-01-529-6347
NSN 5925-00-675-5071
NSN 6620-00-236-2048
NSN 6220-01-106-2761
NSN 5935-01-426-8969
NSN 6650-00-403-5251
NSN 6220-00-258-2967
NSN 5905-00-239-0136