400-1940 is a 1" FBT to 3/4" ribbed barb tailpiece. This pump union includes the o-ring O-189, and is most commonly found on tiny might circulation pumps.
Manufacturer: Waterway Manufacturer Number: 400-1940 If it is a part we sell then it is a part we have had hands on experience with meaning we can help with technical issues and understand which products are better then others. Spa Parts Online sells genuine waterway executive spa pump parts.
