Hydraulic Adaptor, 1/4"MB X 1/4"FP

Hydraulic Adaptor, 1/4"MB X 1/4"FP

A heavy-duty hydraulic adapter designed for secure port-to-line connections, the 6405X0404 Hydraulic Adapter provides a reliable transition between SAE O-Ring Boss and NPT threaded connections. Built from durable carbon steel and rated for working pressures up to 5000 PSI, this straight fitting delivers dependable sealing and strength for demanding hydraulic systems. It’s designed to keep hydraulic fluid flowing where it should—inside the system and not decorating the shop floor.

Country of Origin
Varies by production batch

Key Features / Specifications

• Part Number: 6405X0404
• Product Type: Hydraulic Straight Adapter
• Fitting Shape: Straight
• Material: Carbon Steel
• Working Pressure: 5000 PSI
• End 1 Type: Male SAE O-Ring Boss (ORB)
• End 1 Size: SAE 4 (7/16"-20 ORB)
• End 2 Type: Female NPT
• End 2 Size: 1/4" NPT (1/4"-18 Tapered)
• Designed for hydraulic fluid transfer systems
• ORB sealing design provides dependable leak resistance
• Durable construction for high-pressure hydraulic applications

Ideal For

• Hydraulic equipment and machinery
• Agricultural and industrial hydraulic systems
• Connecting ORB ports to NPT hydraulic lines
• Hydraulic system maintenance and installation where strong, leak-resistant fittings are required (because hydraulic systems tend to work best when everything stays tightly sealed)