Threaded Port Plug for Secure Fluid System Sealing
Compatible Machines
- Graco airless paint sprayers with compatible 1/4-inch threaded ports
- Graco fluid handling and transfer equipment using 1/4MP threaded plugs
- Compatible Graco pumps, manifolds, regulators, and valve assemblies requiring a hex-head pipe plug
Graco 555808 Plug, 1/4MP W/ Hex Hd is an OEM threaded pipe plug designed to seal unused or service ports in compatible Graco fluid systems. Its 1/4MP thread and hex-head design allow for easy installation while helping maintain a secure, leak-resistant seal.
Product Features
- Connection: 1/4MP male pipe thread
- Design: Hex head for convenient installation and removal
- Function: Seals unused fluid ports to help prevent leaks and contamination
- Application: OEM replacement plug for compatible Graco spray and fluid handling equipment
Frequently Asked Questions
It seals compatible 1/4-inch threaded ports to prevent fluid leakage and protect the system from dirt and debris.
The hex head allows standard tools to tighten or remove the plug easily during installation, maintenance, or servicing.
Replace the plug if the threads are damaged, the sealing surface is worn, corrosion develops, or fluid leakage is observed.
