5T4 RCA NOS 1940's (56/40 and 57/40)
$ 29.99
5T4 RCA NOS 1940's (56/40 and 57/40)
(same electrical specs as 5U4G in metal can)
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5T4 RCA NOS 1940's (56/40 and 57/40)
(same electrical specs as 5U4G in metal can)