Temp. range: -425° to 1200°F- Machined to an exceptional tolerance level with rolled threads for increased strength.- 316 stainless steel has a higher nickel content, as well as molybdenum for better corrosion resistance. NPT connections. - Use with water, steam, natural gas, hydraulic oil, and cryogenic gases. Pipe Fitting Material / 316 Stainless Steel, Stainless Steel Material Grade / 316 Fitting Side A Nominal Pipe Size / 3/4 in Fitting Side A Gender / Female Fitting Side A Type / NPT Fitting Side B Nominal Pipe Size / 3/4 in Fitting Side B Gender / Female Fitting Side B Type / NPT Fitting Side C Nominal Pipe Size / 3/4 in Fitting Side C Gender / Female Fitting Side C Type / NPT Maximum Operating Pressure / 3,500 psi Overall Length / 2 11/16 in Hex Size / 1 5/16 in Color / Silver Application / Air, Natural Gas, Oil Standards / ANSI B1.20.1, ANSI B31.1, ANSI B31.3