---
product_id: 157741035
title: "KOOTANS 4pcs Brass Hose Barb Fittings 5/16\" Hose Barb to 1/4 NPT Male Thread Air Hose Fittings Brass Quick Coupler Air M Type Adapter Connector Fitting"
brand: "kootans"
price: "$15.45"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/157741035-kootans-4pcs-brass-hose-barb-fittings-5-16-hose-barb
store_origin: US
region: United States of America
---

# 300psi max pressure 5/16" Barb -40°F to +160°F KOOTANS 4pcs Brass Hose Barb Fittings 5/16" Hose Barb to 1/4 NPT Male Thread Air Hose Fittings Brass Quick Coupler Air M Type Adapter Connector Fitting

**Brand:** kootans
**Price:** $15.45
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence!

## Quick Answers

- **What is this?** KOOTANS 4pcs Brass Hose Barb Fittings 5/16" Hose Barb to 1/4 NPT Male Thread Air Hose Fittings Brass Quick Coupler Air M Type Adapter Connector Fitting by kootans
- **How much does it cost?** $15.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/157741035-kootans-4pcs-brass-hose-barb-fittings-5-16-hose-barb)

## Best For

- kootans enthusiasts

## Why This Product

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

## Key Features

- • **Quality Guaranteed:** Meets ASTM B584 and ASME/ANSI B16 specifications for reliability.
- • **Leak-Free Assurance:** Deep, precise NPT threads ensure a tight, secure connection.
- • **Unmatched Durability:** Crafted from premium CA360 forged brass for long-lasting performance.
- • **Temperature Resilience:** Handles extreme temperatures from -40°F to +160°F.
- • **Versatile Applications:** Perfect for industrial, automotive, and plumbing needs.

## Overview

The KOOTANS 4pcs Brass Hose Barb Fittings offer a robust solution for connecting hoses with a 5/16" barb to a 1/4 NPT male thread. Made from premium forged brass, these fittings are designed to withstand high pressures up to 300psi and extreme temperatures ranging from -40°F to +160°F. With precise threads for a leak-free connection, they are ideal for a variety of applications including industrial, automotive, and plumbing systems.

## Description

KOOTANS4pcs Brass Hose Barb Fittings 5/16" Hose Barb to 1/4 NPT Male Thread Air Hose Fittings Brass Quick Coupler Air M Type Adapter Connector Fitting

## Features

- SIZE: 4pcs 5/16 inch barb to 1/4 NPT male thread hose barb fittings. Air hose barb fittings with max working pressure up to 300psi, temperature range of -40°F to +160°F, more durable than iron and steel pipe fittings
- PREMIUM QUALITY: Our hose barb fitting is made of CA360 premium forged brass, thicker, stronger and durable. Air hose pipe fitting has accurate, smooth and deep thread, with corrosion resistance, high temperature ductility, low magnetic permeability and long service life
- PRECISE THREADS: Hose barb end is tightly connected with hoses, NPT threads are designed with deep and accurate thread to ensure tight and no leak connection and easy installation. Can use teflon tape before installation to further strengthen the seal and prevent air leakage
- SPECIFICATIONS: KOOTANS barbed hose fittings meet specifications ASTM B584 and ASME/ANSI B16 for quality assurance. NPT thread size is a nominal pipe size and it does not represent the actual diameter. NPT thread has a 60° taper to ensure stable and firm connection and increase sealing performance
- WIDE APPLICTAION: The air hose adapter fittings can be used to connect various hoses, can apply to industrial use, automotive, plumbing pipes, temperature control circuits, pneumatic circuits, vacuum, flfluid systems test apparatus, fuel line, coolant lines, meet a wide range of transportation needs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 5/16″ Barb to 1/4 NPT Male Thread |
| Material | Brass |
| Brand | KOOTANS |
| Color | 5/16″ Barb to 1/4 NPT Male Thread |
| Connector Type | Coupling |
| Exterior Finish | Brass |
| Thread Type | NPT |
| Item Weight | 0.06 Kilograms |
| Number of Pieces | 4 |
| Manufacturer | KOOTANS |
| UPC | 681413584280 |
| Part Number | 125 5B |
| Item Weight | 2.25 ounces |
| Package Dimensions | 3.2 x 2.3 x 0.4 inches |
| Country of Origin | China |
| Item model number | CA-125 5B-4 |
| Finish | Brass |
| Shape | coupling |
| Item Package Quantity | 4 |
| Measurement System | English |
| Included Components | Hose Barb Fittings |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 5/16″ Barb to 1/4 NPT Male Thread
- **Material:** Brass
- **Brand:** KOOTANS
- **Color:** 5/16″ Barb to 1/4 NPT Male Thread
- **Connector Type:** Coupling
- **Exterior Finish:** Brass
- **Thread Type:** NPT
- **Item Weight:** 0.06 Kilograms
- **Number of Pieces:** 4
- **Manufacturer:** KOOTANS

## Images

![KOOTANS 4pcs Brass Hose Barb Fittings 5/16" Hose Barb to 1/4 NPT Male Thread Air Hose Fittings Brass Quick Coupler Air M Type Adapter Connector Fitting - Image 1](https://m.media-amazon.com/images/I/61rwVteHrjL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-04*