Metal fuel coupling/quick disconnect from the RP-1 fuel valve for the Rocketdyne F-1 engine, approximately 3.5″ long, identified as “Cap & Half Assy. 315243-6, Assy. Torque 30 to 40 ft. lb., NA5-26007917-1.” Tied to the base is a red NASA unserviceable tag, dated July 29, 1969. In fine condition. Accompanied by a parts diagram indicating the location of this part in the F-1 engine. RR Auction COA.