Hose Adapter to Welch Pumps (Old Style) 1380, 1402, 1403, 8806, 8811, 8816, 8821, Thread Size 1-20, for 1 inch ID Hose.
These hose adapters are designed for Welch vacuum pumps (old style) models 1380, 1402, 1403, 8806, 8811, 8816, 8821. These intake fittings have a thread Size 1-20 and are used with 1 inch ID rubber vacuum hose. These are surplus fittings that have been removed from used pumps, cleaned, and a new gasket installed. They discontinued and can not be ordered new (original Welch part number 41-0993).
