Nipple Fitting; Type Dielectric; Applicable Standard NSF/FDA, IAPMO/UPC, SBCCI PST, ESI; Size A 2-1/2"; Size B 2-1/2"; Overall Length 6"; Schedule 40 S; End Connection Grooved x Threaded; Material Steel; Material Specification ASTM A53; Process Galvanized; Finish Zinc Electroplated; Pressure Rating 300 PSI; Temperature Rating 225 Deg F; Application HVAC, Potable Water, Plumbing System; Weight 1.6 Lb