Graco 168688 Bushing 1/2-14 NPT x 1/2-27 UNS-2B
Compatible Machines
This Graco 168688 Bushing is used in various Graco spray application and fluid handling systems. Fitment depends on the inlet/outlet thread requirements of each unit. Please verify compatibility with your model’s parts manual.
- Graco Spray Foam and Polyurea Application Equipment (thread-specific use)
- Graco Industrial Finishing and Coating Systems requiring 1/2-14 NPT to 1/2-27 UNS thread adaptation
- Graco Spray Guns and Inlet/Outlet Conversion Points (where specified)
Product Overview
The 168688 Bushing provides a secure and reliable thread adaptation between 1/2-14 NPT and 1/2-27 UNS-2B thread standards. Designed for Graco fluid handling systems, it assists in connecting components with different thread types found in pumps, hoses, spray guns, and inlet/outlet assemblies.
Key Specifications
| Part Number | 168688 |
| Thread Conversion | 1/2-14 NPT to 1/2-27 UNS-2B |
| Application | Thread Adapter / Bushing for Spray and Coating Equipment |
| Material | OEM Graco Grade (Material type may vary by production batch) |
Usage & Benefits
- Helps match components that use different thread standards.
- Used in coating, spray foam, and paint delivery systems.
- Precision threaded to maintain secure sealing and flow integrity.
- OEM manufactured for proper tolerance and fit.
Installation Guidance
- Verify thread orientation and sealing type before installation.
- Use appropriate sealant when connecting NPT threads.
- Do not overtighten to prevent thread damage.
- Check equipment manual for exact placement location.
Frequently Asked Questions
It adapts a 1/2-14 NPT threaded component to a 1/2-27 UNS-2B connection, commonly needed in fluid and spray application equipment.
No. Fitment depends on the equipment's thread requirements. Check your model’s parts list or service manual before ordering.
Yes, 168688 is a genuine OEM replacement part from Graco for use in authorized equipment applications.
NPT threads generally require an appropriate thread sealant or PTFE tape. UNS straight threads may require an O-ring or washer depending on the assembly.
