6401-04-04 O-Ring to Pipe, Male ORB x Male NPT Straight

6401-04-04 O-Ring to Pipe, Male ORB × Male NPT Straight

The 6401-04-04 O-Ring to Pipe (Male ORB × Male NPT Straight) is a compact hydraulic adapter designed to connect a 7/16-20 Male ORB (-04) port to a 1/4-18 Male NPT pipe thread in hydraulic systems. Made from durable steel, this fitting ensures strong mechanical performance and reliable sealing in medium to high-pressure fluid applications.

Specifications

• Part Number: 6401-04-04
• Material: Steel
• Shape: Straight
• Thread 1 Type: Male O-Ring Boss (ORB)
• Thread 1 Size: 7/16-20 (-04)
• Thread 2 Type: Male National Pipe Thread (NPT)
• Thread 2 Size: 1/4-18
• Sealing Type: O-ring (ORB side) + Thread sealant (NPT side)