Summary
This APEX Design USA adapter connects the APEX quick connect male swivel to 1/4 NPT hardware. It works with the Precision Tyre Inflator and the Quick Connect Y, bridging the APEX quick-connect world to standard NPT ports and accessories - one small fitting that lets the two systems talk.
Best For
- Connecting the PTI or Quick Connect Y to 1/4 NPT hardware
- Mixing APEX quick-connect components with standard air accessories
Key Specs
- Manufacturer: APEX Design USA
- Product Type: Swivel-to-NPT adapter
- SKU: X02-11-005
- Connections: Female 3/8 swivel to male 1/4 NPT
- Works With: Precision Tyre Inflator; Quick Connect Y
Fitment And Setup Checks
Confirm the APEX side is a male swivel connection and the target is 1/4 NPT female. Seal the NPT threads appropriately and pressure-check the assembly before regular use.
Technical Specifications
| Manufacturer | APEX Design USA |
| Product Type | Adapter fitting |
| SKU | X02-11-005 |
| Connection | Female 3/8 swivel to male 1/4 NPT |
| Works With | PTI; Quick Connect Y |
Frequently Asked Questions
What would I connect with this?
Typically the Precision Tyre Inflator or Quick Connect Y into NPT-threaded hardware - couplers, manifolds or compressor accessories.
See the air system accessories for the rest of the adapter family.
Ready to order?
Add APEX Design USA Female 3/8 Swivel to Male 1/4 NPT to your build
Add to cart now. If fitment is unclear, send us your vehicle, setup and goal before ordering.

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Send us your vehicle, current setup and what you want the product to do before ordering. We will help confirm fitment, product choice or the next step.