This adapter fitting can solve plumbing headaches in competition fuel systems. One end has a male -10 O-ring adapter (7/8-14, no flare). The other end has a male 3/8 NPT fitting.
The ORB side swivels independently of the NPT side, so you can tighten either side independently.
Meets JIC and SAE specifications. Eachj anodized aluminum adapter includes an O-ring. Sold individually.