Thick-walled Grainger Approved union offers you a simple, economical installation and is ideal for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications. Pipe Fitting Material / Forged Steel Finish/Coating / Zinc Plated Class / Class 3000 Fitting Side A Nominal Pipe Size / 3/8 in Fitting Side A Gender / Female Fitting Side A Type / NPT Fitting Side A Pipe Threading / 18 Fitting Side B Nominal Pipe Size / 3/8 in Fitting Side B Gender / Female Fitting Side B Type / NPT Fitting Side B Pipe Threading / 14 Color / Silver Standards / ASTM A105, MSS SP-83