Bump - this is a great place to deal with . 2 years ago posted but new members may :P overlook it

https://www.surplussales.com// If your search for a part or component has reached a dead end, Give this place a try. They have nearly 80 years of accumulation of bits and pieces from all kinds of audio, radio and other assorted items. I found a mica trimmer capacitor for my Magnavox shortwave receiver there. They also have deadstock from 2 regional electronics supply businesses.