GRACO O-Ring Packing (166238) - (SKU: 166238)The GRACO O Ring Packing (166238) is a sealing component designed to prevent leaks and ensure reliable operation within GRACO fluid handling equipment. The material is not specified for this part number in available sources, but similar GRACO O ring packings are commonly made from nitrile, PTFE, or other elastomers. Its intended use is to provide a secure seal in pumps, spray guns, or other GRACO equipment where fluid containment is critical. Key

Wall-mounting bracket

Use the GRACO RAC 5 tip-guard for proper fit and safety

Cylinder Assembly

Regularly inspect actuator for signs of wear or damage

High reliability for on/off dispensing applications

Seal Shaft

Dyna-Star® HP and HF Pumps

It is intended for precise fluid measurement and handling

High-performance 4-stroke

Regularly monitor filter condition and replace as needed to maintain system efficiency

high-volume fluid transfer with minimal maintenance

It features a 1" tri-clamp connection