GRACO Packing Nut - (SKU: 184112)The GRACO 184112 NUT, PACKING is a replacement part designed for use in GRACO pumps and fluid handling equipment. It is typically constructed from durable metal and is intended to secure and seal the packing material around the pump shaft, preventing leaks and ensuring reliable operation. Its primary function is to maintain proper compression on the packing, which is essential for the longevity and efficiency of the pump. Key Features: Packing Nut

Ensure the system is depressurized and cleaned before replacing components

which helps maintain consistent pressure and smooth operation within the sprayer system

Ease of maintenance: Designed for quick replacement of worn or damaged O-rings

Clean mating surfaces thoroughly before installing new parts

and series progressive systems

The GRACO 16E648 CAP

2-finger trigger for precise control

Designed for use with GRACO fluid transfer and circulation systems

Follow manufacturer instructions for shaft and impeller installation

and agriculture where consistent and reliable oil or lubricant delivery from large drums is required

Check for proper alignment and tightness after installation

It is a structural component that supports and secures the engine within the equipment assembly