This is what came up for me when I did a search for 1973 Datsun sockets, I forget what search engine I used.
It seems that the 5/8" sockets are a common part part for many old cars.
These "Mopar" 5/8" sockets have worked out perfect for me. Just remember to look REAL close for excess plastic flash. If you don't trim this with an exacto knife it can be a bit of a bear to remove the socket.
I did my drawing (see earlier post) of the sockets I received so anyone can compare these sockets to what you have.
If anyone has experience with LED (wedge base) replacements for filament 194 (wedge base), let me know what your experience was.
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