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6400-L-12-08-O

Description & Features

Designed for male-to-male hydraulic connections, this straight long adapter from Brennan Industries provides a reliable transition between male JIC (37° flare) and male O-ring boss port fittings. The long-style body accommodates installations where additional thread engagement length or clearance is needed, making it well-suited for tight or congested assembly areas in hydraulic circuits.

Built to Brennan Industries' standard quality, the 6400-L-12-08-O is configured in a 12 JIC to 08 ORB size combination, supporting common connections found in industrial hydraulic systems. The O-ring boss end provides a leak-resistant seal at the port, while the JIC end delivers a dependable flare-style connection on the line side.

SKU: 6400-L-12-08-O

Supplier Part Number (MPN): 6400-L-12-08-O

Specifications

Connection Size 1 3/4 in	Connection Size 2 1/2 in	Connection Type Male JIC, Male SAE ORB	Connection Type 1 Male SAE 37 deg JIC Flare	Connection Type 2 Male SAE ORB	Dimension Standards SAE J1926, SAE J514	Finish Zinc Trivalent	Fitting Type Adapter	Material Steel	Material Construction 12L14/C1045 Steel	Maximum Operating Pressure 5000 psi	Operating Temperature -40 to 250 deg F	Series 6400-L-O Series	Thread Size 3/4-16

Product Questions & Answers (1)

Question by: Wes M on Dec 8, 2025, 7:16 PM

Will this adapter work to connect a JIC fitting to an O-ring boss on my hydraulic system?

Answer by: Customer Support on Dec 10, 2025, 6:37 AM

Yes, this straight long adapter is designed for male-to-male hydraulic connections, specifically transitioning between a male JIC (37° flare) and a male O-ring boss port fitting.

6400-L-12-08-O

Description & Features

Specifications

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Product Questions & Answers (1)