NIBCO 3/4-in Copper Threaded Adapter Fittings in the Copper ...
Share via Email closed. Male adapters adapt to standard female pipe threads. Solder connections. Wrot copper solder joint pressure fittings are produced to 1 of the following specifications: material and workmanship ASME/ANSI B16.22; dimensional, material, and workmanship of MSS SP-104 or MSS SP-109; certified to NSF/ANSI 61. 3/4-in. 1/2-in. 1-in.