[ARC5] Transformer ID

[Glenn Little WB4UIV]

I have a ARC branded transformer marked 12198  15MC-4.
It is 1.25" square and 2.5" tall with a screw on top cover covering the 
two adjustment screws.
It has 6 solder terminals.

Any idea what it fits?
Any one need it?

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 LM   NRA LM   SBE ARRL TAPR
"It is not the class of license that the Amateur holds but the class
of the Amateur that holds the license"