GRACO Nut, Packing (331037) - (SKU: 331037)The GRACO 331037 Nut, Packing is a replacement hardware component designed for use in GRACO fluid pump sections. Its material is not specified in available sources, but it is intended to secure and maintain the integrity of the packing assembly within GRACO spray equipment, ensuring proper sealing and smooth operation of the pump. Key Features: Packing Nut 331037 Designed for GRACO fluid pump sections; may also fit certain Airlessco models (e. g.,

but GRACO pistons for similar applications are typically made from durable materials such as stainless steel or engineered plastics for chemical resistance and longevity

Suitable for duty cycles in demanding industrial applications

Facilitates drainage and maintenance of fluids

but air cylinders are typically constructed from durable metals such as aluminum or steel for longevity and performance

ensuring reliable operation for paint and coating applications

Replacement kit (plate

Designed for GRACO GJ Fill Extension components

which are commonly used in industries requiring reliable and sanitary fluid transfer

clear documentation)

It is intended to convert a single-pump system to a dual-pump configuration

14-gauge material

SaniForce® 2:1 Sanitary Piston Pumps