GRACO Nut, Packing, 220/250/290cc Wet Cup - (SKU: 15K031)The GRACO 15K031 is a nut packing component designed for use in GRACO Xtreme Lowers for 220cc, 250cc, and 290cc wet cup models. It is a critical sealing and fastening part, typically made from durable metal, intended to secure and seal packing stacks within the pump assembly, ensuring reliable fluid containment and preventing leaks. Key Features: Nut, Packing 220cc, 250cc, 290cc GRACO Xtreme Lowers for 220cc, 250cc, and 290cc wet cup models Essential

particularly in high-pressure environments

Regularly inspect and maintain the valve to ensure continued reliable operation

Hytrel H6 TP (thermoplastic elastomer)

Secure the bumper according to manufacturer guidelines to prevent movement or detachment

Designed for reliability and ease of installation

Inspect regularly for signs of wear or corrosion

Helps prevent oil leaks

Supports proper liquid flow

GRACO 715 series equipment

Regularly inspect the ceramic ball for signs of wear or damage

Used for lubricating moving parts in GRACO spray equipment and other machinery requiring grease lubrication

Air Cylinder Rod