This nipple meets the standards for ASTM A312, has a length of 1⅜ inch, a maximum operating pressure of 250 psi and is designed for the following applications: air, natural gas, non-potable water, propane, steam. It has an operating temperature of -60 Degrees F to 450 Degrees F, is made of 304-grade stainless steel. In addition, it has 1 11/16 inch outside diameter, 1 5/16 inch inside diameter and is Schedule 80, with 0.169 inch wall thickness.