GRACO Air Fitting, 1/4 NPT x 3/8 Tube - (SKU: 122161) The GRACO D0B311 Complete Fluid

The GRACO D0B311 Complete Fluid Repair Kit is a comprehensive set of replacement parts designed for the Husky 1590 series diaphragm pumps

and maintenance applications across various industries such as mining

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

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

Inspect all seals and diaphragms for wear or damage during installation

GRACO Air Fitting, 1/4 NPT x 3/8 Tube - (SKU: 122161) The GRACO D0B311 Complete FluidThe 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