Features Thick-walled Grainger Approved coupling offers you a simple, economical installation and Ideal for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications. Specific Fitting Shape / Coupling Pipe Fitting Material / Forged Steel Finish/Coating / Galvanized Class / Class 3000 Fitting Side A Nominal Pipe Size / 1/4 in Fitting Side A Gender / Female Fitting Side A Type / NPT Fitting Side A Pipe Threading / 18 Fitting Side B Nominal Pipe Size / 1/4 in Fitting Side B Gender / Female Fitting Side B Type / NPT Fitting Side B Pipe Threading / 18 Includes Pre-Applied Thread Sealant / No Includes Seal / No Color / Silver Standards / ASME B16.11, ASTM A10