Hydraulic Male O-Ring Boss Plug, 1/4"

Hydraulic Male O-Ring Boss Plug, 1/4"

The 6408X04 Hydraulic Male O-Ring Boss Plug, 1/4" is a compact hydraulic fitting designed to securely seal unused ORB (O-Ring Boss) ports in hydraulic systems. With a 1/4" thread size, this plug uses an integrated O-ring sealing surface to create a dependable, leak-resistant seal when installed in compatible ports. Constructed from durable steel, it helps maintain proper system pressure while preventing hydraulic fluid loss and contamination. Small but essential, it’s the kind of plug that quietly keeps hydraulic systems tight, clean, and operating the way they should.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 6408X04
• Product Type: Hydraulic male O-ring boss (ORB) plug
• Thread Size: 1/4 in
• Thread Type: ORB (O-Ring Boss)
• Seal Type: O-ring sealing surface for secure, leak-resistant closure
• Material: Steel
• Function: Seals unused hydraulic ports to maintain pressure and system integrity
• Application: Designed for hydraulic valves, pumps, cylinders, and manifolds
• Installation: Threads into female ORB ports using standard tools

Ideal For

• Plugging unused hydraulic ports in equipment and machinery
• Hydraulic system maintenance and repair
• Agricultural, construction, and industrial hydraulic equipment
• Preventing fluid leaks and contamination in pressurized systems
• Anyone who prefers their hydraulic system sealed tight instead of decorating the shop floor with oil