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Fine UHF amplifier pentodes, identical to Western Electric 408A, these 7-pin miniature glass tubes are manufactured by Philips in the United States for the US military. With black plates and top getters, these tough tubes are printed in green under contract DLA900-85-G-0008-0011 delivery date October 1985, and are glass-etched 6028 U.S.A. Boxes are white military NATO coded 5960-00-262-0224 delivered June 1982.
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Availability date: 03/31/2016
6028 / 408A JAN
Fine UHF amplifier pentodes, identical to Western Electric 408A, these 7-pin miniature glass tubes are manufactured by Philips in the United States for the US military. With black plates and top getters, these tough tubes are printed in green under contract DLA900-85-G-0008-0011 delivery date October 1985, and are glass-etched 6028 U.S.A. Boxes are white military NATO coded 5960-00-262-0224 delivered June 1982.
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Country | USA / Canada |
Type | Vacuum tubes & electron tubes for audio, Mil-SPEC Military Specifications Tubes |
Base | 7 pin miniature B7G |
Fonction | Pentode |
Fine UHF amplifier pentodes, identical to Western Electric 408A, these 7-pin miniature glass tubes are manufactured by Philips in the United States for the US military. With black plates and top getters, these tough tubes are printed in green under contract DLA900-85-G-0008-0011 delivery date October 1985, and are glass-etched 6028 U.S.A. Boxes are white military NATO coded 5960-00-262-0224 delivered June 1982.