Nipple Fitting; Type Concentric; Applicable Standard ASME/ANSI B1.20.1, WWN 351; Size A 1-1/2"; Size B 1-1/2"; Overall Length 8"; Schedule 80 S; Thickness XH; End Connection Male Threaded x Male Threaded; Material Steel; Material Specification ASTM A733/A53 F/A53 E; Process Welded; Finish Black; Application Plumbing System, Mechanical, HVAC, Industrial, Fire Protection, Mining, Oil, Gas; Outer Diameter 1.9"; Packaging Quantity 10 per Box; Warranty 1 Year