The Graco 114508 1″ NPT Nipple Fitting is a straight-thread, male-threaded nipple used in fluid-handling systems of Graco equipment for reliable connection between components.
Compatible Machines / Systems
Graco proportioners or pump-packages that list 114508 in their parts diagram.
Graco fluid systems requiring a 1″ NPT male nipple to connect two female-thread components.
Any Graco assembly (sprayer, pump, valve block) where the parts list explicitly calls for part number 114508.
Key Specifications
Part Number: 114508
Type: Nipple Fitting, 1″ NPT
Application: Used in Graco fluid-path assemblies where a 1″ NPT male connection is required.
Why This Part Matters
Provides a robust OEM-spec connection to maintain fluid integrity and prevent leaks.
Ensures compatibility with Graco’s high-pressure fluid systems by using a correct-size part.
A reliable replacement nipple when servicing or repairing plumbing sections of Graco machines.
Installation Tips
Always depressurize and drain the system before installing the nipple.
Ensure that the mating female threads are clean and undamaged.
Apply thread sealant or tape if recommended in your machine’s manual.
After installation, test the system under working pressure to check for leaks.
Frequently Asked Questions
It means the fitting has a 1-inch National Pipe Thread (NPT) size, which is a standard tapered thread used in many fluid and air systems.
Possibly yes, if the other system uses 1″ NPT threads and can handle the working pressure. But for best reliability and compatibility, it's recommended to use OEM parts in Graco equipment.
Look up the parts diagram or service manual of your machine. If you see "NIPPLE, 1″ NPT – part number 114508", then this is the correct replacement part.
