GRACO Nut, Packing 4 GPM - (SKU: 15G198)The GRACO 15G198 Nut, Packing 4 GPM is an OEM replacement part designed to secure and seal packing components within GRACO displacement pumps. Its material is not explicitly stated, but it is typically constructed from durable metal to withstand high pressure environments. This nut is essential for maintaining the integrity of the pumps packing assembly, ensuring proper sealing and preventing leaks during operation. Key Features: Nut, Packing 4 GPM 4

Its primary function is to facilitate the safe and efficient transfer of fluids within GRACO equipment

particularly in spray systems and lubrication setups

The GRACO 111380 KIT

Used in the automotive industry

especially those requiring chemical resistance

leak-free connection for fluid or air transfer in GRACO spray equipment and related systems

It is intended for use in maintaining and repairing GRACO airless sprayers and similar equipment

Designed for use with automatic lubrication systems for in-plant machinery and off-road equipment[5]

Clean coupler and mating surfaces as needed

Visual cycle pin indicator for quick confirmation of injector function

Used in severe-duty displacement pumps for applications requiring robust sealing and long-term reliability

Ensure all connections are secure and compatible with the fluid being pumped