Fits Sunset, DEC and Surge Milk Tank washers.
2.0 inch threaded cap keeps bugs and dirt out of tank washer while not in use
Has hole in handle for chain to hang up while not in use
Replaces / interchanges with;
Sunset part No. 6005194 (see link below)
Meltec part No. 1000-752
Surge number was 81672