Hydraulic Adaptor, 3/8"MB X 3/8"FPX

Hydraulic Adaptor, 3/8"MB X 3/8"FPX

The 6900X0606 Hydraulic Adapter (3/8" MB × 3/8" FPX) is a straight hydraulic fitting designed to connect SAE O-Ring Boss ports to NPT pipe thread connections in high-pressure hydraulic systems. It features a 3/8" Male SAE (ORB) connection on one end and a 3/8" Female NPT swivel on the other, allowing flexible installation and easier alignment during assembly. Constructed from durable carbon steel and rated for up to 4000 PSI, this adapter provides a reliable, leak-resistant connection in demanding hydraulic applications—because hydraulic systems work best when the fittings stay tight and the fluid stays where it belongs.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 6900X0606
• Product Type: Hydraulic straight adapter
• Fitting Shape: Straight
• End 1 Type: Male SAE (ORB)
• End 1 Size: SAE 6 (9/16"-18 O-Ring Boss)
• Connection Description: 3/8" MB (Male Boss)
• End 2 Type: Female NPT Swivel
• End 2 Size: 3/8" NPT (3/8"-18 Tapered)
• Connection Description: 3/8" FPX
• Working Pressure: 4000 PSI
• Material: Carbon Steel
• Function: Connects SAE ORB ports to NPT pipe thread fittings
• Application: Hydraulic systems and fluid power connections

Ideal For

• Hydraulic systems requiring SAE ORB to NPT connections
• Equipment operating under high pressure (up to 4000 PSI)
• Hydraulic hose assemblies and machinery repair
• Installations where a female swivel connection helps align fittings during assembly
• Mechanics who prefer hydraulic fittings that seal properly instead of slowly marking their territory with hydraulic oil.