(!!) (Recommended Single) 5Y3GT Hytron NOS 1951 (56/40 and 60/40)
(!!) 5Y3GT RCA NOS 1970 (56/40 and 64/40)
(!!) JAN-CHS-5Y3WGTA Sylvania brown base NOS 1960 (49/40 and 56/40)
(!) (Good Value) 5Y3GT Sylvania NOS 1956 (53/40 and 57/40)