(COL) 259-8011-010 The most popular Collins replacement
part we sell. Original Oak Manufacturer (P/N: 10070-4), not
a cheap import. Fits 32Sx and KWM-2 sets. Countries with 50
Hz have two times the failure with the original AC switch.
Stock up with several.
Extra Switch Wafer
for
2nd Crystal Deck
(COL) 269-1977-000 This is S1B on your schematic and piggy
backs to original crystal selection switch on 75S-3C, 32S-3A,
and KWM-2A.