(!!!!) (Best Single) USN-CHS-6922 Sylvania gold pins NOS 1965 (12/16.6ma)

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1 low noise tube) USN-CHS-6922 Sylvania gold pins NOS "O" getter halos 1965 12.0ma and Gm=12,000 16.6ma and Gm=13,000 SINGLE TUBE - NOT A PAIR USN=US Navy=mil-spec BEST SYLVANIA