Black Western Electric 164C-3 dial plate and it can be used on Western/Northern Electric dial plates for No 6 dials. Plates are backward compatible with No 2, 4 and 5 dials (assuming that you have the proper mounting hardware).
Black Western Electric 164C-3 dial plate and it can be used on Western/Northern Electric dial plates for No 6 dials. Plates are backward compatible with No 2, 4 and 5 dials (assuming that you have the proper mounting hardware).