Hydraulic Adaptor, 3/8"MB X 1/4"FPX

Hydraulic Adaptor, 3/8"MB X 1/4"FPX

The 6900X0604 Hydraulic Adaptor is a straight hydraulic fitting designed to connect a 3/8" SAE male O-ring boss (ORB) port to a 1/4" female NPT swivel connection, providing a secure and reliable transition between hydraulic components. Built from durable carbon steel and rated for up to 5,000 PSI, this adaptor is designed to withstand demanding hydraulic environments while maintaining a tight, leak-resistant connection. The female NPT swivel end allows easier installation and alignment—because hydraulic fittings should make your job easier, not require three extra hands and a lot of patience.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 6900X0604
• Product Type: Hydraulic adaptor fitting
• Fitting Shape: Straight
• End 1 Type: Male SAE O-Ring Boss (ORB)
• End 1 Size: SAE 6 — 9/16"-18 ORB
• End 2 Type: Female NPT Swivel
• End 2 Size: 1/4" NPT (1/4"-18 tapered thread)
• Connection Size Description: 3/8" MB × 1/4" FPX
• Material: Carbon steel
• Working Pressure: Up to 5,000 PSI
• Design Benefit: Swivel female end allows easier alignment during installation

Ideal For

• Hydraulic systems requiring ORB to NPT connections
• Equipment repair and hydraulic line adaptations
• Agricultural, construction, and industrial machinery
• Applications needing durable steel fittings rated for high pressure
• Installations where a swivel fitting saves time, frustration, and possibly a few colorful words