[Size] The thread size of 4AN is 7/16-20 UNF. 45 Degree or 90 Degree. [Size] The thread size of 6an is 9/16-18 UNF. 45 Degree or 90 Degree. [Size] The thread size of 8an is 3/4-16 UNF. 45 Degree or 90 Degree. [Size] The thread size of 10an is 7/8-14 UNF. 45 Degree or 90 Degree. [Size] The thread size of 12an is 1-1/16-12 UNF. 45 Degree or 90 Degree. [Parameter] Max Working Pressure: 1500psi; Working Temperature Range: -65℉ to 252℉. [Material] Aluminum alloy 6061-T6, black anodized surface. [Seal] The AN thread of the flare is sealed by a 37 degree angle. [Feature] 360° swivel design, easy to install and save time.