Shop High Pressure Adapters, Male JIC x Male Type M

The JIC Male to Type M Male OneXtreme Adapters are high-performance conversion fittings designed to connect JIC 37° flare systems to Type M (Reverse High Pressure) connections in demanding hydraulic and fluid power applications. The JIC side features a 37-degree cone seat that creates a reliable metal-to-metal seal commonly used in industrial and mobile equipment, while the Type M side is engineered for use with Type M swivel hose end fittings and seals via a 58-degree cone for secure performance in ultra-high-pressure environments.


Manufactured from cold worked 316 stainless steel, these adapters deliver exceptional strength, corrosion resistance, and durability in harsh conditions such as oil and gas, chemical processing, and high-pressure test systems, with special materials available upon request to meet specific application requirements. Because this adapter bridges two different connection types, the overall pressure capability of the assembly is limited by the lower-rated connection and system components.

NOTE: Proper thread identification, cone angle compatibility, and installation practices are critical. Mismatched connections, over-tightening, or damaged sealing surfaces can lead to leaks or catastrophic failure. Always verify component compatibility and system requirements 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-FJIC Collection

Series 503, Male JIC x Male Type M

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 Male Type M Pressure Rating Lead Time Price
X4J09TM15 0.25 (1/4") 0.5625 (9/16") 15000 4-6 Weeks $49.42
X6J09TM15 0.375 (3/8") 0.5625 (9/16") 15000 4-6 Weeks $53.62
X6J16TM15 0.375 (3/8") 1 15000 4-6 Weeks $59.69
X8J16TM15 0.5 (1/2") 1 15000 4-6 Weeks $61.94
X12J16TM10 0.75 (3/4") 1 10000 4-6 Weeks $104.20
X12J21TM10 0.75 (3/4") 1.3125 (1-5/16") 10000 4-6 Weeks $92.62
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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.