Black or galvanized malleable iron. NOTE: Standard Malleable Iron Fittings Fed. Spec. WW-P-521F ANSI B-16.3 (Dimensions) ANSI B-2.1 (Pipe Threads) ASTM A-197 (Chemical & Physical Properties) ASTM A-153 (Galvanizing) Ferrous Plugs, Bushings, and Locknuts Fed. Spec. WW-P-471-B ANSI B-16.4 (Dimensions) ANSI B-2.1 (Pipe Threads)
Print this page
