[Milsurplus] RCA IF Transformer ID

Wed Jan 13 20:03:02 EST 2021

I have part number 739972-503 and 739972-505 40 Kc IF transformers.
These are from an estate sale.
Any ideas as to what radio these are from?

Thanks
73
Glenn
WB4UIV
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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"