What is the difference between NPT and BSP threads?

NPT (National Pipe Thread) is a standard used primarily in North America, while BSP (British Standard Pipe) is common in Europe and other regions. They have different thread forms and pitches, so an adapter like this is needed to connect them.

What is the purpose of the anodized finish?

The black anodized finish on this fitting helps to protect the aluminum from corrosion and wear. It also gives the fitting a clean, finished look.

What kind of applications is this fitting typically used for?

This adapter is useful for custom plumbing projects, such as in fuel systems, oil lines, or coolant lines, where you need to connect components with different thread standards.

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Specifications

Brand: Vibrant
Part #: 10398
UPC: 690092182892

Vibrant Male NPT to Female BSP Adapter Fitting 1/8in NPT x 1/8in BSP

Name: Vibrant Male NPT to Female BSP Adapter Fitting 1/8in NPT x 1/8in BSP
Brand: Vibrant
SKU: vibrant-vibrant-male-npt-to-female-bsp-adapter-fitting-1-8in-npt-x-1-8in-bsp-t14-514193
Price: 12.75 USD
Availability: BackOrder

$12.75

On Backorder — Expected to ship by Jun 21, 2026

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

Vibrant Male NPT to Female BSP Adapter Fitting 1/8in NPT x 1/8in BSP. Precision manufactured from 6061 aluminum for plumbing fluid systems.

Key Features

This product is a Male NPT to Female BSP adapter fitting.
It connects a 1/8 inch NPT thread to a 1/8 inch BSP thread.
The fitting is constructed from 6061 aluminum.
It features a black anodized finish to resist corrosion.

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About this part

Product Details

This fitting gives you a Male 1/8 inch National Pipe Thread (NPT) connection on one side and a Female 1/8 inch British Standard Pipe (BSP) connection on the other. It's a handy piece for connecting different types of threaded plumbing components in your fluid delivery system.

Vibrant makes these adapters from 6061 aluminum, which is a strong yet lightweight material. They're then black anodized to help prevent corrosion, keeping the threads clean and functional over time. This makes it a solid option for custom plumbing setups where you need to adapt between NPT and BSP threads.