5V3 GE branded ITT NOS 1960's (52/40 and 54/40)
5V3 GE used/tests like new 1959 (58/40 and 60/40)
5V3 Raytheon branded RAD-TEL NOS 1961 (53/40 and 54/40)
5V3A RCA NOS 1962 (47/40 and 48/40)
5V4G Brimar UK "D" getter halo black plates used/good 1950's (59/40 and 60/40)
5W4 GE metal can NOS 1940's (54/40 and 54./40)
5W4=VT-97 Ken Rad metal can like new 1940's (52/40 and 52/40)
5W4GT Tungsol NOS 1952 (52/40 and 54/40)
5X4G Cunningham NOS 1946 (51/40 and 52/40)
5X4G Cunningham NOS 1946 (54/40 and 55/40)
5X4G RCA NOS 1960 (54/40 and 55/40)
5Y3G Sylvania used/good 1946-1947 (51/40 and 54/40)
5Y4G GE NOS 1949 (48/40 and 51/40)
5Y4G National Union NOS 1950 era (51/40 and 58/40)
5Y4G Philco by Sylvania NOS 1943 (54/40 and 57/40)
5Y4G Philco by Sylvania NOS 1950 (53/40 and 56/40)
5Y4G Philco by Sylvania NOS 1950 (54/40 and 58/40)
5Y4G RCA used/good 1948 (48/40 and 53/40)
5Y4G Sylvania NOS 1940's (50/40 and 55/40)
5Y4G Sylvania NOS 1940's (56/40 and 60/40)
