Black malleable iron. Reducing sizes. Each fitting is individually flag tagged. 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. Sizes are shown in A side, B side, and C middle sequence. No. 520-322HC: Size: 1/2" A x 1/2" B x 3/8" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1, Package Type: Bag No. 520-433HN: Size: 3/4" A x 1/2" B x 1/2" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1 No. 520-434HN: Size: 3/4" A x 1/2" B x 3/4" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1 No. 520-743BG: Size: 3/4" A x 3/4" B x 1/2" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1 No. 520-753BG: Size: 1" A x 1" B x 1/2" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1 No. 520-754BG: Size: 1" A x 1" B x 3/4" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1 No. 520-664HC: Size: 1-1/4" A x 1-1/4" B x 3/4"C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1, Package Type: Bag No. 520-765BG: Size: 1-1/4" A x 1-1/4" B x 1" C, Material: Malleable Iron Class 150, Finish: Black, Pkg Qty: 1 |