Malleable galvanized iron pipe fittings. Larger size listing is for Male thread. Small size listing for Female thread. Ferrous Plugs, Bushings, and Locknuts, Fed. Spec. WW-P-471-B, ANSI B-16.14 (Dimensions), ANSI B-2.1 (Pipe Threads).
Manufacturer No. 8700130407
Size: 3/8″ x 1/4″
Material: Malleable Iron
Type: Hexagon
Finish: Galvanized