6400-06-08 is a straight hydraulic adapter that connects a 3/8 inch JIC female fitting to a #8 SAE O-Ring Boss port. The JIC end seals on a 37 degree flare while the ORB end seals with an O-ring.

• JIC connection: 3/8 inch male, 9/16 inch 18 thread
• ORB connection: #8 SAE male, 3/4 inch 16 thread
• Configuration: Straight JIC male to SAE O-Ring Boss male adapter
• Sealing methods: JIC 37 degree flare and O-ring boss

Install the correct SAE O-ring and inspect both sealing surfaces before assembly.