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Used in industry and agriculture machine.

37° JIC adapters (aka SAE 37° tube fittings, flared fittings, or SAE J514 fittings ) are the most popular hydraulic fluid connector in North America. While 37° JIC adapters are often used for joining tubing in a hydraulic system, they are frequently used on hose as an end adapter for female JIC swivel fittings, which are the most common end connection for hydraulic hose assemblies. In the past, 37° JIC adapters had a corresponding military specification, MIL-F-18866 which has now been superceded by SAE J514, but many ordinance system designs and designers still favor the JIC fitting out of convention and customer preference.

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