Midland Metal 62420B Outside Diameter Machine Coupling, 3 in FPT x 3 in FPT, Stainless Steel, 150 lb

Outside Diameter Machine Coupling, Connection Size 1: 3 in, Connection Type 1: FPT, Connection Size 2: 3 in, Connection Type 2: FPT, 304 Stainless Steel, 3-8 Thread, Pressure Class: 150 lb, For Use With: Air, Water, Oil, Natural Gas, Steam, 3.76 in Dia x 3.23 in L