EVIL ENERGY 6AN Hose End Fitting Straight Swivel for CPE Braided Hose Black 8PCS [Size] The thread size of 6AN is 9/16-18 UNF. The AN side is sealed by a 37 degree angle. It is recommend a bit of assembly lube to help prevent any galling. Who Makes EVIL ENERGY 6AN Straight Swivel Hose End Fitting For AN Fittings Color:Black Made of High Quality Lightweight T-6061 Aluminum Material Anodized Finish for Durability High Performance Racing Fittings CNC Machined Enforced for... [Material] Made of aluminum alloy 6061-T6., [Parameter] Max Working Pressure: 1500PSI. The swivel fittings are easy to use and don't require special equipment. Aazon.co: Ucreative 4PCS 6AN Straight Swivel Hose End Fitting for Working Temperature Range: -65℉ to 252℉ (-53℃ to 122℃).