6AN Male Flare to 3/8 NPT Male Fuel Hose Pipe Fitting Adapters Aluminum Black Anodized JIC -6 AN 9/16-18 to 3/8 inch NPT Thread : Amazon.co.uk: DIY & Tools
JIC threaded adapter, HMS-DKJ45-09-08 buy now on HYDROMOT
96332 Straight Thread O-Ring to Female Pipe Adapter 9/16" x 1/8" | Imperial Supplies
LASCO 17-5431 9/16-Inch Male Left Hand Thread by 1/4-Inch Male Pipe Thread Brass Adapter : Amazon.co.uk: DIY & Tools