About This Item: Size: 6AN female to 5/16 inch and 6AN male to 5/16 inch, the thread size of the 6 AN is 9/16 UNF. Fits to 5/16" OD hardline, please measure before purchase. Premium Material: Made of aluminium alloy fitting and brass ferrule. Sealing: The AN thread of the flare is sealed by a 37 degree angle. Application: This 5/16 compression to 6an fitting is widely used in fuel delivery, fuel system, engine modification, etc. Note: Only applicable to stainless steel or aluminum hardline. Package Include: 4PCS 6AN Male to 5/16'' Hardline Compression Fittings .
