Hue,

The body of the original meter is 2 3/4" so your meter is too small for a proper fit, but might be OK electrically.
Original is 5 mA full-scale, and right-side zero.

I live in the general area of RCA Camden, NJ and found an AR-88 with an original meter, and also picked up a meter at a hamfest. 
See: https://www.skywaves.ar88.net/commrx/RCA/AR-88/AR-88_Meter.html for some pix.

73,
AL

On 12/31/2025 11:37 PM, Hubert Miller wrote:

S – meter  for the USAAF radio receivers ARR-5, ARR-7 is  pointer rests at zero on RIGHT

side; overall of front flange is 2&3/4 inch; body is 2&1/8 inch.  I just want to be

certain before i donate it to a non AR-88 user.

-Hue Miller 


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--
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/