The date on the back of your Airline guitars pickup suggests that it is a DeArmond pickup on a Harmony-made guitar. But if for no other reason, you should use standard-sized pots because they're bodies are large enough to solder capacitors, negative leads and bridge ground wires to and still have a clear view of the pot's code and value stamp. Find used Airline Guitars for sale on Craigslist, Letgo, eBay, OfferUp, Amazon and others. This from an online article on the Airline guitars - 'Airline was a Montgomery Ward house brand, and during the ‘60s, practically all Airline guitars were made either by the Harmony or Kay companies of Chicago. They're also plentiful, any good shop should have dozens on hand because they're the only thing worth buying. They're solid, well made pots with tight tolerances and they fit in everything. Department store guitar lines like Kay, Harmony, Silvertone, Teisco, and Airline aren't know to have used the best quality materials and I'd think that pots and switches would be no exception.
1964 JB HUTTO MONTGOMERY AIRLINE GUITAR INSTALL
So they probably also cost manufactures more to purchase and install in their instruments. Also, while playing live, he used an MXR Micro-Amp, Electro-Harmonix Big Muff Pi distortion/ sustainer, and an Electro-Harmonix POG (a polyphonic octave generator). But with manufacturing techniques/equipment being more primitive, I'd guess that those mini-pots cost more to produce. When performing live, Jack used a Randy Parsons custom guitar, a 1964 JB Hutto Montgomery Airline, a Harmony Rocket, a 1970s Crestwood Astral II, and a 1950s Kay Hollowbody. In the 50's and 60's mini, "dime-sized" pots were basically the equivalent of the micro-electronics of modern day. So I'm afraid that I can't be certain which size of pots those guitars used. Well, I've never had the privilege of working on an original Airline.
I'm using a Res-o-glass guitar kit from if that helps with anything. Hello, my name is Conner, I was wondering if I should use 500k mini pots or just the regular size for the volume/tone controls for the authentic look. 1964 JB Hutto Montgomery Airlines Guitar Replica