[Milsurplus] mystery diode

Glenn Little WB4UIV glennmaillist at bellsouth.net
Mon Sep 15 14:17:37 EDT 2025


All I could find was it has NSN 5961-00-944-4761 and CAGE 01281.

Glenn

On 9/14/2025 9:04 PM, Ray Fantini via Milsurplus wrote:
> Ok, so I have a very early AN/PRC-74 on the bench that has a shorted 
> PD9047 diode (CR-15) that's used to develop the voltage for the tuning 
> meter. the dam thing is very small and somehow don't think a 1N34 will 
> take its place.
> AI tells me that's a way obsolete part number and beyond its ability to 
> come up with a replacement, anyone have any ideas? the tuning meter is 
> somewhat important on the 74
> This particular radio is serial number 606 and the PA deck is serial 
> number 8! has strong output and in all other ways good.
> you can see the circuit on page 186, figure 7-11 in the manual.
> 
> Ray F/KA3EKH
> 
> 
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-- 
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Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
Amateur Callsign:  WB4UIV            wb4uiv at arrl.net    AMSAT LM 2178
QTH:  Goose Creek, SC USA (EM92xx)  USSVI, FRA, NRA-LM    ARRL TAPR
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"


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