Hi Dave,
I don't know which cast/number application is correct for 69 but I have seen metering valves with just a number ( for example, 25) stamped on the flat surface where the bracket attaches with no other visible numbers anywhere else. I would like to know what this means. Other valves had 2226261 stamped on the side plus a Julian date (for example, 9 255 ) stamped near where the brake line attaches.
Terry