Product Description
The PSC H0304-C-08 CAP NUT, #8 is a compact but critical hydraulic fitting for sealing off unused #8 JIC ports in performance steering, hydraulic assist, off-road, and custom fluid transfer systems. Built from durable steel with a corrosion-resistant zinc finish, this cap nut is designed to handle demanding pressure conditions while delivering a clean, leak-resistant seal for professional hydraulic plumbing setups. Whether you are finishing a custom steering system, capping an unused line during service, or completing a hydraulic assist install, the PSC H0304-C-08 gives builders a dependable solution that matches the quality expected from PSC Steering Components. Its 1/2-inch JIC 37-degree design works well in performance steering and hydraulic systems where reliability matters.
Fitment
- Universal fit for hydraulic and steering systems using a #8 JIC / 1/2-inch JIC 37° connection
- Commonly used in PSC steering and hydraulic assist plumbing setups
- Ideal for off-road, rock crawler, Jeep, truck, and custom hydraulic system applications
- Used to cap unused or service ports in performance steering and fluid transfer systems
Specifications for PSC H0304-C-08
| Specification | Details |
|---|---|
| Brand | PSC Steering Components |
| Part Number | H0304-C-08 |
| Type | Flared Cap Nut |
| Size | #8 / 1/2" JIC 37° |
| Material | Steel |
| Finish | Zinc |
| Working Pressure | 4000 PSI |
| Length | 0.75 in. |
| UPC | H0304-C-08 |
| GTIN | H0304-C-08 |
| Shipping Info | Calculated at checkout |
| Prop 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
Frequently Asked Questions
What does the PSC H0304-C-08 cap nut do?
It seals an unused #8 JIC hydraulic port to prevent fluid leaks and keep contaminants out of the system.
Is this fitting vehicle-specific?
No. This is a universal hydraulic fitting used anywhere a #8 / 1/2-inch JIC 37° cap is required.
What systems is this cap nut commonly used on?
It is commonly used on hydraulic steering, ram assist, off-road steering, and custom fluid plumbing systems.
What is the material and finish of this PSC cap nut?
This fitting is made from steel and features a zinc finish for corrosion resistance and durability.
Is the PSC H0304-C-08 designed for high-pressure use?
Yes. It is rated for applications up to 4000 PSI, making it suitable for demanding hydraulic system use.