Hydraulic Male Adaptor, 1/4"MJ X 1/4"MB

Hydraulic Male Adaptor, 1/4"MJ X 1/4"MB

The 6400X0404 Hydraulic Male Adapter is a straight hydraulic fitting designed to connect JIC and SAE ORB hydraulic components with a secure, leak-resistant seal. Built from durable carbon steel and rated for up to 5,000 PSI, this adapter provides dependable performance in demanding hydraulic systems. Featuring a 1/4" Male JIC (37° flare) on one end and a 1/4" Male SAE O-Ring Boss on the other, it allows smooth transitions between common hydraulic connection styles while maintaining strong, reliable pressure handling. It’s a small fitting that plays a big role in keeping hydraulic systems sealed tight and working hard.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 6400X0404
• Product Type: Hydraulic male adapter fitting
• Fitting Shape: Straight
• End 1 Type: Male JIC (37° Flare)
• End 1 Size: JIC 4 – 7/16"-20
• End 2 Type: Male SAE O-Ring Boss (ORB)
• End 2 Size: SAE 4 – 7/16"-20
• Working Pressure: Up to 5,000 PSI
• Material: Carbon Steel
• Application: Connects JIC hydraulic hoses or fittings to SAE ORB ports
• Seal Type: Metal-to-metal JIC flare seal and O-ring boss port connection

Ideal For

• Hydraulic systems requiring JIC to SAE ORB connections
• Agricultural, construction, and industrial hydraulic equipment
• Hydraulic hose assemblies and system repairs
• Maintenance and system retrofits where different fitting standards meet
• Anyone who appreciates a small fitting that quietly prevents big hydraulic leaks