1971 Thermoquad date?

[340wedge]

I just bought a 1971 thermoquad 4973s for an automatic. Does anyone know what the date code is for it?
4973s G
0831

Thank you!

 

[deviledchin]

83rd day of 1971. I think that's how you read that?

 

[Bewy]

That would be my thinking also.