High Pressure Fittings
High Pressure Fittings
Part Number: HA7-645
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Need to build a custom high-pressure hose assembly but don’t have a crimping machine? PSC’s Field Serviceable High-Pressure Fittings makes it easy to get the job done right—whether you're in the shop or out in the field.
Designed for use with PSC’s High-Pressure Hose, these fittings help you create reliable, reusable hose assemblies with only basic hand tools. It’s perfect for enthusiasts, project builders, fabricators with very custom projects or to make field emergencies less stressful.

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About:
Why you’ll love it
- No Crimping Tools Required: Field-serviceable design means you can build or repair hoses anywhere — all you need is a vise and a crescent wrench. No fancy tools, no shop press.
- Pressure Rated to 2250 PSI: Built to handle serious pressure, whether you're rock crawling or hauling down the highway.
- Reusable: Perfect for emergency trail fixes, custom builds, or future upgrades. Use it, swap it, reuse it — it’s built for the long haul.
- Corrosion-Resistant Finish: Trivalent chromate zinc coating keeps rust at bay and reliability high, even in the nastiest conditions.
Tech Info
Heads‑up for installers
These fittings are field-serviceable, but they still need to be installed with care. Use a proper vise setup and make sure everything’s torqued down right. Don’t skip the test cycle — give it a good pressure check before you hit the trail.
Fitment
Universal – works with any system using -6 or -8 JIC high-pressure hose ends.
Specs
- Fitting Type: Straight, 45°, 90°
- JIC Size: -6 (3/8") and -8 (1/2")
- Pressure Type: High Pressure
- Finish: Trivalent chromate zinc
- Rated Pressure: 2250 PSI
What’s included
(1) Fitting sold individually
Support
Install Instructions
California Prop 65 Warning
This product can expose you to chemicals including lead and di (2-ethylhexyl) phthalate, which are known to the State of California to cause cancer, birth defects or other reproductive harm.
For more information, go to www.P65Warnings.ca.gov