I've got a 460777 2277 E1 pressure oiler I'm freshening up. The gasket set didn't come with intake valve seals - parts lookup calls for 273312 that is superseded by 691891 which looks like just a flat washer in the pics I've found.
I've got seals out of the engine that look more like 692324 with spring-loaded collars, but that number is disco-ed.
What are you guys using?
TIA