Size of heater hose nipples on 440

[TRAMO]

Anyone know the size of the heater hose niples/pipes that screw into the water pump on a 440 b-body with stock water pump?

 

[A383Wing]

1/2' pipe thread, 5/8" hose.....

I think it was 69 or 70 that one heater hose was 1/2"

Bryan

 

[5.7 hemi]

I think it was 70 that did the 1/2 and 5/8, well at that whats on my dads 70 Challenger RT.