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5V6GT GE by Sylvania NOS 1962 (38.5ma)
5V6GT GE NOS 1961 (47ma)
5V6GT Philco by GE NOS 1963 (52.6ma)
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)
5X8 NOS (50 in stock)
5Y3G GE used/good 1943 (46/40 and 52/40)
5Y3G Ken Rad used/good 1940's faded printing (46/40 and 51/40)
5Y3GT Sylvania used/good 1955 (46/40 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 RCA used/good 1948 (48/40 and 53/40)
5Y4G Sylvania NOS 1940's (56/40 and 60/40)
5Y4GA RCA NOS 1963 (54/40 and 57/40)
5Y4GA RCA NOS 1971 (54/40 and 60/40)
5Y4GA Sylvania branded Zenith NOS 1960's (54/40 and 57/40)
5Y4GA Sylvania NOS 1960's (53/40 and 58/40)
5Z3G Ken Rad wide "D" getter NOS 1945 era (52/40 and 54/40)
5Z3G RCA used/good 1956 (46/40 and 48/40)
