2 National Union NU 117Z4 117Z4GT Vacuum Tubes Valves NOS NIB Lot Of Two LowtechTwoo 8K The Hickok-tested 6AV5 tested 4200

The Hickok-tested 6AV5 tested 4200 micromhos where new/nominal is 3900

They have narrow gray plates and O getters

new in box Hytron 19BG6G tubes tested to spec on our Paul Hart-calibrated TV7/U

It has a bottom

new in box Sylvania 10GK6 tubes tested to spec on our Paul Hart-calibrated TV7/U

2 National Union NU 117Z4 117Z4GT Vacuum Tubes Valves NOS NIB Lot Of Two LowtechTwoo 8K The Hickok-tested 6AV5 tested 4200These two National Union 117Z4GT tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE