Rubber Hose Adapter to Welch Vacuum Pump Exhaust Outlet (New Style), 1374, 1397, Thread Size 1 3/4-20, Hose ID 1 5/8 inch, Aluminum. 1393L
These adapters are for rubber hose to Welch vacuum pumps Exhaust Outlet, models 1374, 1397, New Style Pumps. They are made of corrosive resistant Aluminum.
Rubber Hose Adapter to Welch vacuum pumps (New Style), models 1374, 1397.
Thread Size: 1 3/4 -20 NPSM
Hose ID: 1 5/8 inch
Common Dimensions: A = 2.5 in.,
THIS RUBBER HOSE ADAPTER FOR NEW STYLE WELCH VACUUM PUMPS
A New Style Pump has an oil sight glass that is pressed into the body, click on far right picture for example of a new style pump. FOR Welch 1374 pumps with S/N greater than >73519 OR Welch 1397 S/N greater than >51217. Welch Part Number 1393L.