How about replating the item you have (assuming it can be cleaned up well enough for plating)?

https://sciencing.com/diy-electroplating-5401669.html

Just an idea,

73, Gordon KJ6IKT

At 02:55 PM 10/6/2021, Nick England wrote:
The URT-23 amp I am restoring has some corrosion issues - the button connector from the driver output transformer assembly to the final grids has lost its silver plating - see
https://www.navy-radio.com/xmtrs/urt23-resto/IMG_6020.JPG
The remaining silver plating was just held on by a spider web and has since fallen off.
Just for reference, this button contacts the three spring fingers just to the left of the switch coupling in this photo
https://www.navy-radio.com/xmtrs/urt23-resto/IMG_6034.JPG

Does anyone have a junker driver output assembly (1A1A4) or this part?
Or helpful advice? Should I just clean, De-Oxit, and pray?

Nick England K4NYW
www.navy-radio.com