---
product_id: 4982481
title: "Viair 90001 1/8\" Female BSP - 1/4\" Male NPT Adaptor - 2 Piece"
brand: "viair"
price: "€ 8.89"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.fi/products/4982481-viair-90001-1-8-female-bsp-1-4-male-npt
store_origin: FI
region: Finland
---

# 2 fittings per pack 1/8" BSP to 1/4" NPT Solid brass build Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece

**Brand:** viair
**Price:** € 8.89
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece by viair
- **How much does it cost?** € 8.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/4982481-viair-90001-1-8-female-bsp-1-4-male-npt)

## Best For

- viair enthusiasts

## Why This Product

- Trusted viair brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Crafted from solid brass for long-lasting performance.
- • **Compact Dimensions:** Lightweight and easy to handle at just 3.1 x 2.1 x 1 inches.
- • **Seamless Adaptation:** Effortlessly transition from 1/8" Female BSP to 1/4" Male NPT.
- • **Convenient Packaging:** Includes two fittings, perfect for your plumbing needs.
- • **Thread Locker Recommended:** Ensure a secure fit with suggested thread locker use.

## Overview

The Viair 90001 1/8" Female BSP to 1/4" Male NPT Adaptor is a high-quality, solid brass plumbing solution designed for air locking differentials. Each pack contains two fittings, ensuring you have the essentials for your projects. With a compact size and lightweight design, this adaptor is both practical and efficient, making it a must-have for any professional toolkit.

## Description

Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece

## Features

- Adapt from 1/8" Female BSP to 1/4" Male NPT
- Used for air locking differential plumbing
- Two fittings per pack
- Use of thread locker suggested
- Solid brass construction

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Exterior Finish | Brass |
| Color | Silver |
| Item Dimensions | 3.1 x 2.1 x 1 inches |
| Item Weight | 0.02 Pounds |
| Size | 1/8" x 1/4" |
| Thread Type | BSP |
| Connector Type | Adapter |
| Material | Stainless Steel |

## Images

![Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece - Image 1](https://m.media-amazon.com/images/I/71G9q22jNrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good value
  

*by A***R on Reviewed in the United States on January 29, 2024*

Fit well for intended use

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Perfect fit
  

*by N***H on Reviewed in the United States on August 13, 2016*

Needed one of these to mate the Toyota vacuum sensor switch to a custom brake boost system on my 1981 Land Cruiser resto-mod. Works perfectly and you get two for a reasonable cost!  What's not to like?

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Did the job it was intended for.
  

*by A***T on Reviewed in the United States on December 27, 2023*

Proper fit and no issues.

---

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**Shop now:** [https://www.desertcart.fi/products/4982481-viair-90001-1-8-female-bsp-1-4-male-npt](https://www.desertcart.fi/products/4982481-viair-90001-1-8-female-bsp-1-4-male-npt)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-22*