---
product_id: 4982481
title: "Viair 90001 1/8\" Female BSP - 1/4\" Male NPT Adaptor - 2 Piece"
brand: "viair"
price: "VT3153"
currency: VUV
in_stock: true
reviews_count: 8
category: "Viair"
url: https://www.desertcart.vu/products/4982481-viair-90001-1-8-female-bsp-1-4-male-npt
store_origin: VU
region: Vanuatu
---

# 2-piece pack for backup 1/8" Female BSP to 1/4" Male NPT Solid stainless steel build Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece

**Brand:** viair
**Price:** VT3153
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your airflow game with precision and durability!

## 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?** VT3153 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/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

- • **Dual-Pack Convenience:** Two fittings included to keep your projects moving without delay
- • **Precision Thread Compatibility:** Seamlessly adapts BSP to NPT for flawless pneumatic connections
- • **Versatile Air System Integration:** Ideal for air locking differential plumbing and custom setups
- • **Pro-Recommended Thread Locker Use:** Ensures leak-proof, secure fittings every time
- • **Durable Stainless Steel Construction:** Engineered for long-lasting corrosion resistance and strength

## Overview

The Viair 90001 adapter converts 1/8" Female BSP threads to 1/4" Male NPT, crafted from robust stainless steel for reliable pneumatic system connections. Sold in a convenient two-piece pack, it’s perfect for air locking differential plumbing and other air system applications, backed by a one-year manufacturer warranty.

## Description

To make the installation of pneumatic systems as simple as possible, VIAIR offers a complete line of fitting accessories that include air source relocation kits, safety valves, quick connect couplers & studs, check valves, adapters, and more.

Review: Nice adapter for Master airbrush compressor - Didn't necessarily want to buy this product but when I switched from my cheap Master airbrush setup to my Iwata Revolution, the Iwata air hose didn't fit. I was, to say the least, very disappointed. This product served to act as an adapter from my old setup to my new Iwata airbrush. The only problem is that it doesn't fit exactly and you will probably need to use thread seal tape. Overall a good and necessary purchase. Also it is neat that it comes with two of them just in case a problem arises and you need a replacement.
Review: Good but no thread seal as pictured. - Part arrived in good shape, but not as pictured. There is no red thread seal on the product received.

## 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 |
|---------------|-------|
| ASIN | B004RCOY5O |
| Best Sellers Rank | #64,528 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,853 in Pipe Fittings |
| Brand | VIAIR |
| Brand Name | VIAIR |
| Color | Silver |
| Connector Type | Adapter |
| Customer Reviews | 4.4 out of 5 stars 183 Reviews |
| Exterior Finish | Per Item Description |
| Global Trade Identification Number | 00818114009013 |
| Included Components | Fitting |
| Item Dimensions | 3.1 x 2.1 x 1 inches |
| Item Type Name | Air Line Fitting |
| Item Weight | 0.02 Pounds |
| Item dimensions L x W x H | 3.1 x 2.1 x 1 inches |
| Manufacturer | Viair |
| Manufacturer Warranty Description | All VIAIR products come with a One Year Manufacturer Defect Warranty |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | 90001 |
| Number of Pieces | 2 |
| Size | 1/8" x 1/4" |
| Thread Size | 0.25 inch |
| Thread Type | BSP |
| UPC | 818114009013 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** VIAIR
- **Color:** Silver
- **Connector Type:** Adapter
- **Exterior Finish:** Per Item Description
- **Item Weight:** 0.02 Pounds
- **Item dimensions L x W x H:** 3.1 x 2.1 x 1 inches
- **Material:** Stainless Steel
- **Size:** 1/8" x 1/4"
- **Thread Size:** 0.25 inch
- **Thread Type:** BSP

## Images

![Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece - Image 1](https://m.media-amazon.com/images/I/21KK1eQER7L.jpg)
![Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece - Image 2](https://m.media-amazon.com/images/I/71G9q22jNrL.jpg)
![Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece - Image 3](https://m.media-amazon.com/images/I/71h01C--j8L.jpg)
![Viair 90001 1/8" Female BSP - 1/4" Male NPT Adaptor - 2 Piece - Image 4](https://m.media-amazon.com/images/I/71nUsagwdVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice adapter for Master airbrush compressor
*by F***D on July 5, 2015*

Didn't necessarily want to buy this product but when I switched from my cheap Master airbrush setup to my Iwata Revolution, the Iwata air hose didn't fit. I was, to say the least, very disappointed. This product served to act as an adapter from my old setup to my new Iwata airbrush. The only problem is that it doesn't fit exactly and you will probably need to use thread seal tape. Overall a good and necessary purchase. Also it is neat that it comes with two of them just in case a problem arises and you need a replacement.

### ⭐⭐⭐⭐ Good but no thread seal as pictured.
*by M***J on May 20, 2025*

Part arrived in good shape, but not as pictured. There is no red thread seal on the product received.

### ⭐⭐⭐⭐⭐ Great for adapting airbrush compressors to 1/4 NPT
*by M***. on January 20, 2026*

Worked great adapting my airbrush compressor to my Paasche airbrush hose.

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

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-03*