Features The 304 stainless steel construction for this GRAINGER APPROVED half coupling features a chromium-nickel material that offers very good corrosion resistance. Compatible with stainless steel Schedule 40 pipe For use with air, water, oil, natural gas, and steam Pipe Fitting Material / 304 Stainless Steel, Stainless Steel Material Grade / 304 Class / Class 3000 For Pipe Schedule / 160 Fitting Side A Nominal Pipe Size / 2 1/2 in Fitting Side A Gender / Female Fitting Side A Type / NPT Fitting Side B Nominal Pipe Size / 2 1/2 in Fitting Side B Gender / Female Fitting Side B Type / NPT Maximum Operating Pressure / Refer to Specification Max. Steam Pressure / 1965 psi @ 350 Degrees F Overall Length / 1 13/16 in Includes Pre-Applied Thread Sealant / No Includes Seal / No Color / Silver Standards / ASME A182, ANSI B1.20.1, ASME B16.11