Product Description
The PSC H0304-C-10 Cap Nut #10 is a precision-machined steel AN/JIC cap fitting designed to securely seal off unused hydraulic steering ports. Built for durability and reliability, this zinc-plated cap nut threads directly onto -10 AN / 5/8" JIC fittings commonly found on PSC steering gears, cylinder assist rams, hydraulic hoses, and custom steering plumbing systems. Whether you're servicing a steering system, temporarily removing a hydraulic assist cylinder, or protecting ports during fabrication or storage, the PSC H0304-C-10 provides a dependable seal that prevents fluid leaks, contamination, and system damage. Its corrosion-resistant zinc finish and high-strength steel construction ensure long-term durability in demanding off-road and performance steering environments.
Fitment
- Universal fit for hydraulic systems using -10 AN / 5/8" JIC connections
- Commonly used on PSC steering gears
- Compatible with PSC cylinder assist systems and hydraulic steering plumbing
- Fits custom power steering and off-road steering assist builds
- Ideal for trucks, Jeeps, crawlers, race vehicles, and fabrication projects
Specifications for PSC H0304-C-10
| Specification | Details |
|---|---|
| Manufacturer | PSC Steering Components |
| Part Number | H0304-C-10 |
| Connection Size | -10 AN / 5/8" JIC 37° |
| Material | High-strength steel |
| Finish | Zinc plated |
| UPC | 687927185210 |
| GTIN | 687927185210 |
| Shipping Info | Calculated at checkout |
| Prop 65 | WARNING: Cancer and Reproductive Harm – https://www.P65Warnings.ca.gov |
Frequently Asked Questions
What does the PSC H0304-C-10 cap nut do?
This cap nut seals unused -10 AN hydraulic ports to prevent fluid leaks and contamination in power steering or hydraulic assist systems.
Is the PSC H0304-C-10 vehicle specific?
No. This is a universal hydraulic fitting used in steering systems based on AN/JIC fitting size rather than vehicle application.
Where is this cap nut commonly used?
It is frequently used on PSC steering gears, hydraulic assist cylinders, and custom power steering plumbing setups.
What size fitting does this cap nut fit?
The H0304-C-10 fits -10 AN / 5/8" JIC 37° fittings commonly used in hydraulic steering systems.
Why should I keep one in my trail or shop kit?
Cap nuts are extremely useful for emergency repairs, sealing disconnected hydraulic lines, preventing fluid loss, and protecting steering system components during service or storage.
