(1) Tested Strong National Union Type 01A Tube Gold Glass Shouldered ST Code Y
USD 124.95 USD
Specifications
| Brand | National Union |
| Country Of Origin | United States |
(1) Tested National Union 01A Tube. The tube number is faded on the glass but is still visible under strong light. Very Rare Gold Glass envelope with brass pins. This tube tests as NOS. We prefer the versatility and precision of Hickok TV-10 military testers and use them almost exclusively except in rare instances when pinout/socket compatibility is not possible.
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