Malleable iron pipe fittings. Galvanized. Import. Mueller logo cast into body of each fitting. 100% inspected and quality tested. All fittings meet the following specifications: Material: ANSI/ASTM A-197 Dimensions: ANSI/ASME B.15.3, B16.14, B16.39. Threads: ANSI B1.20.1. No. 511-603BG: Pipe Size: 1/2", Outside Diameter: 3", Material: Malleable Iron, Finish: Galvanized No. 511-604BG: Pipe Size: 3/4", Outside Diameter: 3-3/8", Material: Malleable Iron, Finish: Galvanized No. 511-605BG: Pipe Size: 1", Outside Diameter: 3-3/4", Material: Malleable Iron, Finish: Galvanized No. 511-606BG: Pipe Size: 1-1/4", Outside Diameter: 4-1/6", Material: Malleable Iron, Finish: Galvanized No. 511-607BG: Pipe Size: 1-1/2", Outside Diameter: 4-3/5", Material: Malleable Iron, Finish: Galvanized No. 511-608BG: Pipe Size: 2", Outside Diameter: 5-3/16", Material: Malleable Iron, Finish: Galvanized