Bulkhead Adapter 1/2 OD X 7/8-20 UNF X 3/8-18 FIP

Bulkhead Adapter, Connection Size 1: 1/2 in, Connection Type 1: Tube OD, Connection Size 2: 7/8 in, Connection Type 2: FNPTF, Brass, 7/8-20 x 3/8-8 Thread, 1-5/16 in L, Maximum Operating Pressure: 1200 psi, -65 to 250 deg F Operating, Additional Information: UNF Thread Type, 0.25 lb Weight