GRACO Washer, Piston - (SKU: 171594) Use only FDA Nitrile hose

Use only FDA Nitrile hose for food-grade applications

and maintenance applications where reliable hose or component connections are required

controlled application of coatings or lubricants

Always use compatible grease as specified in the manual

handling tough coatings with ease

GRACO Washer, Piston - (SKU: 171594) Use only FDA Nitrile hoseThe GRACO 171594 Washer, Piston is a small, precision engineered component designed for use within GRACO piston pumps, such as the 10: 1 Fire Ball 425 Pump. Its material is not explicitly specified in available documentation, but it is typically made from durable, wear resistant materials suitable for high pressure lubrication systems. The washer functions as a sealing or backup element for the piston assembly, ensuring reliable operation and