Looks like the Modular Jack Punchers got to This one.

[WesternElectricBen]

I've always thought it a bit odd when you see an older set, especially a 302 or a 5302 like this one, with a modular jack.

Link: vintage-western-electric-dial-telephone-Black-operates-smoothly

Ben

[DavePEI]

I've always thought it a bit odd when you see an older set, especially a 302 or a 5302 like this one, with a modular jack.

Have Tool, will use!
http://www.classicrotaryphones.com/forum/index.php?topic=7419.msg102421#msg102421

Dave