GRACO Air Fitting, 1/4 NPT x 3/8 Tube - (SKU: 122161) This part is engineered for

This part is engineered for heavy-duty performance and is intended to ensure reliable fluid transfer within compatible GRACO systems[3][2][4]

or leaks appear

Clean threads and mating surfaces before reinstallation

Inspect and replace worn or damaged O-rings and check valves as needed

GRACO Air Fitting, 1/4 NPT x 3/8 Tube - (SKU: 122161) This part is engineered forThe GRACO 122161 FITTING AIR is a pneumatic fitting designed to connect air supply lines within GRACO equipment. It features a 1 4 inch NPT (National Pipe Thread) male thread and is intended to connect to 3 8 inch outer diameter tubing. Its material is not specified in available documentation, but it is typically constructed from durable metals or plastics for reliable air transfer. This fitting is used to ensure secure and leak free air connections