What does 1/8 NPT mean?

NPT stands for National Pipe Taper. It's a standard for threaded fittings used in plumbing and fluid systems. The '1/8' refers to the nominal size of the pipe thread.

What is this plug used for?

This plug is used to seal off a threaded port that uses the 1/8 NPT standard. It's common in custom fuel systems, nitrous oxide setups, or any application where you need to close off an unused opening in a fitting or component.

Does this plug come with any sealant?

This part is a simple plug fitting. It is recommended to use pipe thread sealant or Teflon tape on the threads for a secure, leak-free installation, though these are typically sold separately.

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Specifications

Brand: Nitrous Express
Part #: 16141
UPC: 653374005173

Nitrous Express 1/8 NPT Plug

Name: Nitrous Express 1/8 NPT Plug
Brand: Nitrous Express
SKU: nitrous-express-nitrous-express-1-8-npt-plug-t14-339182
Price: 6.99 USD
Availability: BackOrder

$6.99

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Nitrous Express 1/8 NPT Plug. Adapts/Plugs fittings.

Key Features

Fits 1/8 NPT threaded ports.
Seals off unused fittings to prevent leaks.
Well-built for reliable performance.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Nitrous Express is known for their nitrous oxide systems and related performance parts. This 1/8 NPT plug fitting is a simple but essential component for anyone working with custom fuel or nitrous lines.

This plug is designed to seal off a 1/8 inch National Pipe Taper (NPT) threaded port. It's a well-built piece that does exactly what it's supposed to do: create a secure seal to prevent leaks in your plumbing. Whether you're capping off an unused port on a fuel rail, a nitrous solenoid, or a custom manifold, this fitting ensures a clean and reliable closure.