Shop High Pressure Adapters, Male JIC x Male JIC

The JIC Male to JIC Male OneXtreme Adapters are high-performance fittings designed to connect two JIC 37° female flare components in hydraulic and fluid power systems requiring secure, leak-free connections. JIC (Joint Industry Council) fittings utilize a 37-degree cone seat to create a dependable metal-to-metal seal without the need for additional sealing compounds, making them ideal for applications with working pressures up to 15,000 psi (689 bar).


Manufactured from cold worked 316 stainless steel, these adapters provide excellent strength, corrosion resistance, and long-term durability in demanding environments such as industrial machinery, mobile equipment, and chemical processing systems. OneXtreme JIC adapters are precision machined for consistent fit and reliable sealing performance, with special materials available upon request to meet specific application requirements.

NOTE: Proper installation is critical. Over-tightening, misalignment, or damaged flare seats can compromise the seal and lead to leaks or system failure. Always verify compatibility with mating components and follow recommended torque and assembly guidelines before use.

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High Pressure Adapters

Up to 15,000psi (varies by size)

1/4" to 1" 

316 Stainless Steel (Customs available upon Request)

Click HERE to view the OneXtreme Catalog

Click HERE to view the entire High Pressure MJIC-MJIC Collection

Series 500, Male JIC x Male JIC

Click on the model number in the chart below to view that adapter. 

ALL ADAPTERS SHOWN BELOW ARE 316 STAINLESS, MADE IN USA.

Product SKU Male JIC Side 1 Male JIC Side 2 Pressure Rating Lead Time Price
X4J04J15 0.25 (1/4") 0.25 (1/4") 15000 4-6 Weeks $33.95
X4J06J15 0.25 (1/4") 0.75 (3/4") 15000 4-6 Weeks $40.71
X4J08J15 0.25 (1/4") 0.5 (1/2") 15000 4-6 Weeks $50.09
X6J06J15 0.375 (3/8") 0.75 (3/4") 15000 4-6 Weeks $41.88
X6J08J15 0.375 (3/8") 0.5 (1/2") 15000 4-6 Weeks $50.09
X8J08J15 0.5 (1/2") 0.5 (1/2") 15000 4-6 Weeks $51.95
X16J16J10 1 1 10000 4-6 Weeks $111.25
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Technical Specs




Still need help? Give us a call at 281.941.2310 or email us at sales@onehydraulics.com for technical support.