Kleinn Male Hex Tank Port Plug - 1/4In M NPT

The Kleinn Model 50040 is a heavy-duty pneumatic hex plug engineered to cap off and seal unneeded 1/4" Female NPT ports within your high-pressure onboard air system. Featuring a premium, corrosion-resistant brass construction built to withstand demanding automotive environments, this universal plumbing component provides a completely airtight, leak-free seal. Perfect for customizing your air tank configuration, it allows you to securely block off extra ports not being used for compressors, pressure switches, or air lines, ensuring your pneumatic system maintains maximum pressure and optimal reliability for your air horns and accessories.

Additional Information

Kleinn Model 50040 1/4" M NPT Hex Plug

Part Type

Tube Fitting

• 1/4" NPT Fitting
• Brass construction
• To plug unused 1/4" NPT ports on our tanks

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Plug Fittings, Air Compressor Component, 1/4 in.-NPT Male Threads, Straight, Brass, Natural, Each

Kleinn offers hex plug fittings in different sizes for all your air system needs. These brass fittings are compatible with air horns, air compressors, air tanks, and other pneumatic accessories. Find out why Kleinn Automotive Accessories are a leader in air horn and related pneumatic accessories for cars, trucks, SUVs, and everything else with a 12- or 24-volt power source when you order the Kleinn hex plug fittings best suited for your application.