Nipple Fitting; Type Standard; Size A 3/8 Inch; Size B 3/8 Inch; Overall Length 1 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