GRACO Nut, Mixer, 7/8-9 - (SKU: 15K688)The GRACO 15K688 is a mixer nut designed for use in GRACO spray foam and fluid handling equipment. It is a small, precision engineered component typically made from durable metal, intended to secure and align mixer components within the equipment assembly. Key Features: Mixer Nut 7 8 9 Designed for use with GRACO spray foam and fluid handling equipment Precision fit for reliable assembly Lightweight (approx. 0. 0450. 10 lbs) Compact dimensions

Used to secure or adjust components such as gun holders and arms on GRACO walk-behind line stripers and similar equipment[1][4][5]

Verify electrical connections using the DIN connector for safety and reliability

compatible with various GRACO models requiring manifold filtration

but GRACO manifolds for similar applications are commonly made from durable plastics or metals depending on the pump model and application

Its primary function is to ensure proper check valve operation within the pump

It contains all necessary OEM components made from Santoprene

specifically a socket head cap screw

3/16 inch inner diameter (ID) x 9/16 inch outer diameter (OD)

Used for engine grounding in GRACO engine-driven spray equipment

a high-performance fluoroelastomer known for its chemical resistance and durability

115 cc models)

Durable construction for reliable sealing