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![NOS Collins F-455-FD-12 Mechanical Filter P/N 526-9690-010. 455 kHz IF, 1.2 kHz bandwidth narrow filter with sharp skirts for CW or data modes. Excellent Collins quality, 350 pF resonating cap, steep shape factor. Ideal for S-Line receivers, KWM transceivers, or other 455 kHz IF radios. Rare New Old Stock—perfect restoration or upgrade part. Fast shipping from [Your Location]. Great for serious ham operators and collectors! Used for Hammarlund HQ-180 and HQ-180A Filter Modification](https://cdn11.bigcommerce.com/s-7vnuxpj/images/stencil/590x590/products/10127/50318/collinsF455FD12F_NOSfilter1a__10251.1781468306.jpg?c=2 "NOS Collins F-455-FD-12 Mechanical Filter P/N 526-9690-010. 455 kHz IF, 1.2 kHz bandwidth narrow filter with sharp skirts for CW or data modes. Excellent Collins quality, 350 pF resonating cap, steep shape factor. Ideal for S-Line receivers, KWM transceivers, or other 455 kHz IF radios. Rare New Old Stock—perfect restoration or upgrade part. Fast shipping from [Your Location]. Great for serious ham operators and collectors! Used for Hammarlund HQ-180 and HQ-180A Filter Modification")
![NOS Collins F-455-FD-12 Mechanical Filter P/N 526-9690-010. 455 kHz IF, 1.2 kHz bandwidth narrow filter with sharp skirts for CW or data modes. Excellent Collins quality, 350 pF resonating cap, steep shape factor. Ideal for S-Line receivers, KWM transceivers, or other 455 kHz IF radios. Rare New Old Stock—perfect restoration or upgrade part. Fast shipping from [Your Location]. Great for serious ham operators and collectors! Used for Hammarlund HQ-180 and HQ-180A Filter Modification](https://cdn11.bigcommerce.com/s-7vnuxpj/images/stencil/590x590/products/10127/50317/collinsF455FD12F_NOSfilter1b__79742.1781468306.jpg?c=2 "NOS Collins F-455-FD-12 Mechanical Filter P/N 526-9690-010. 455 kHz IF, 1.2 kHz bandwidth narrow filter with sharp skirts for CW or data modes. Excellent Collins quality, 350 pF resonating cap, steep shape factor. Ideal for S-Line receivers, KWM transceivers, or other 455 kHz IF radios. Rare New Old Stock—perfect restoration or upgrade part. Fast shipping from [Your Location]. Great for serious ham operators and collectors! Used for Hammarlund HQ-180 and HQ-180A Filter Modification")
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Raytheon JAN 5U4G Vintage 1955 Rectifier Tube ST Style NOS in Box Tested / Guaranteed
Raytheon
$24.99RCA 5U4G Vintage 1960s Rectifier Tube ST Style NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube... -
RCA 5U4G Vintage 1960s Rectifier Tube ST Style NOS in Box Tested / Guaranteed
RCA
$19.99RCA 5U4G Vintage 1960s Rectifier Tube ST Style NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube... -
Tung-Sol 5U4GB Vintage 1960s Rectifier Tube NOS Tested / Guaranteed
Tung-Sol
$19.99Tung-Sol 5U4GB Vintage 1960s Rectifier Tube NOS Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube Tester and... -
CBS-Hytron 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed
CBS
$19.99CBS-Hytron 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube... -
RCA JAN 5U4GB Vintage 1972 Date Code Rectifier Tube NOS in Box Tested / Guaranteed
Philips
$21.99RCA JAN 5U4GB Vintage 1972 Date Code Rectifier Tube NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance... -
General Electric 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed
Philips
$19.99General Electric 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance... -
Philips JAN 5U4GB Vintage 1981 Date Code Rectifier Tube NOS in Box Tested / Guaranteed
Philips
$21.99Philips JAN 5U4GB Vintage 1981 Date Code Rectifier Tube NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual... -
Sylvania 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed
Sylvania
$19.99Sylvania 5U4GB Vintage 1960s Rectifier Tube NOS in Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube... -
Sylvania 5U4GB & 5R4GYB Rectifier Tube Set Ideal for Collins 516F-2 Power Supply NOS Tested / Guaranteed
Sylvania
$44.99Sylvania 5U4GB & 5R4GYB Rectifier Tube Set Ideal for Collins 516F-2 Power Supply NOS Tested / Guaranteed. -
Sylvania 5U4G Vintage Rectifier Tube 1950s Date Codes NOS in Green Box Tested / Guaranteed
Sylvania
$24.99Sylvania 5U4G Vintage Rectifier Tube 1950s Date Codes NOS in Green Box Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual... -
GE 5R4GYA Rectifier Tube1960s Date Codes NOS Tested / Guaranteed
RCA
$24.99GE 5R4GYA Rectifier Tubes 1960s Date Codes NOS Tested / Guaranteed This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube Tester and... -
RCA 5R4GY Rectifier Tube ST Style with "D" Getter 1950 Date Codes NOS Tested / Guaranteed
RCA
$24.99RCA 5R4GY Rectifier Tube ST Style with "D" Getter 1950 Date Codes NOS Tested / Guaranteed To Date I have (2) of these NOS in stock This Tube and all others I sell, have been tested on a...
