Nipple Fitting; Type Standard; Size A 1/2 Inch; Size B 1/2 Inch; Overall Length 3 Inch; Schedule 40 S; End Connection Male Threaded x Male Threaded; Material Carbon Steel; Material Specification ASTM A53 Grade A; Process Welded; Finish Black; Applicable Standard ASME B1.20.1, UL (Canada and US), FM