Shop High Pressure Adapters, Male JIC x Male Medium Pressure

The Medium Pressure Male to JIC Male OneXtreme Adapters are precision-engineered conversion fittings designed to connect medium pressure coned-and-threaded systems to JIC 37° flare connections in demanding hydraulic and fluid power applications. The medium pressure side utilizes a 60-degree cone and thread connection to create a dependable metal-to-metal seal commonly used in systems up to 20,000 psi (1379 bar), while the JIC side features a 37-degree flare seat that provides a reliable seal without the need for additional sealing compounds.


Manufactured from cold worked 316 stainless steel, these adapters offer exceptional strength, corrosion resistance, and durability in harsh operating environments, with special materials available upon request to meet specific application requirements. Because this adapter bridges two connection types and pressure classes, the overall system capability must always be based on the lower-rated side and associated components.

Warning: Proper thread identification, flare compatibility, and installation practices are critical—mismatched components, damaged sealing surfaces, or improper torque can result in leaks or catastrophic failure; always verify compatibility with mating components and follow recommended assembly procedures 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-MMP Collection

Series 208, Male JIC x Male MP

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 Medium Pressure Side Male JIC Side Pressure Rating Lead Time Price
X4M04J15 0.25 (1/4") 0.25 (1/4") 15000 4-6 Weeks $44.03
X4M06J15 0.25 (1/4") 0.375 (3/8") 15000 4-6 Weeks $66.83
X4M08J15 0.25 (1/4") 0.5 (1/2") 15000 4-6 Weeks $61.94
X6M04J15 0.375 (3/8") 0.25 (1/4") 15000 4-6 Weeks $65.75
X6M06J15 0.375 (3/8") 0.375 (3/8") 15000 4-6 Weeks $66.83
X6M08J15 0.375 (3/8") 0.5 (1/2") 15000 4-6 Weeks $62.92
X9M04J15 0.5625 (9/16") 0.25 (1/4") 15000 4-6 Weeks $73.49
X9M06J15 0.5625 (9/16") 0.375 (3/8") 15000 4-6 Weeks $70.06
X9M08J15 0.5625 (9/16") 0.5 (1/2") 15000 4-6 Weeks $73.49
X9M10J10 0.5625 (9/16") 0.625 (5/8") 10000 4-6 Weeks $52.25
X9M12J10 0.5625 (9/16") 0.75 (3/4") 10000 4-6 Weeks $84.15
X9M16J10 0.5625 (9/16") 1 10000 4-6 Weeks $90.31
X12M06J15 0.75 (3/4") 0.375 (3/8") 15000 4-6 Weeks $42.08
X12M08J15 0.75 (3/4") 0.5 (1/2") 15000 4-6 Weeks $87.48
X12M12J10 0.75 (3/4") 0.75 (3/4") 10000 4-6 Weeks $94.23
X12M16J10 0.75 (3/4") 1 10000 4-6 Weeks $94.23
X16M08J15-K 1 0.5 (1/2") 15000 4-6 Weeks $107.14
X16M12J10-K 1 0.75 (3/4") 10000 4-6 Weeks $118.00
X16M16J10-K 1 1 10000 4-6 Weeks $109.88
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Technical Specs



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