GRACO Washer, Back-Up - (SKU: 171885) Extended tip life—up to 2X

Extended tip life—up to 2X longer due to reduced pressure

Polypropylene (seat)

Packing is a stainless steel nut designed for use as the packing nut on the intake valve of GRACO equipment

Compatible with Husky 2150 Industrial Series air-operated diaphragm pumps in SP

Use only GRACO-approved hoses and accessories

GRACO Washer, Back-Up - (SKU: 171885) Extended tip life—up to 2XThe GRACO 171885 washer is a back up washer, typically made from acetal, designed to provide support and load distribution in GRACO equipment assemblies. It is used to ensure proper fit, prevent fastener damage, and maintain assembly integrity, especially in high pressure fluid regulator systems. Key Features: Back up washer Acetal (as referenced in similar GRACO regulator documentation) Compatible with GRACO high pressure fluid regulators and related