---
product_id: 180463841
title: "Brennan 6400-06-04-O Steel JIC Flared Tube Fitting, Straight, 3/8\" Tube OD JIC Male x 7/16-20 Male Straight Thread O-Ring Boss"
brand: "brennan"
price: "€ 53.07"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.sk/products/180463841-brennan-6400-06-04-o-steel-jic-flared-tube-fitting
store_origin: SK
region: Slovakia
---

# 3/8" Tube OD -63 to 400°F Steel construction Brennan 6400-06-04-O Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 7/16-20 Male Straight Thread O-Ring Boss

**Brand:** brennan
**Price:** € 53.07
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence!

## Quick Answers

- **What is this?** Brennan 6400-06-04-O Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 7/16-20 Male Straight Thread O-Ring Boss by brennan
- **How much does it cost?** € 53.07 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/180463841-brennan-6400-06-04-o-steel-jic-flared-tube-fitting)

## Best For

- brennan enthusiasts

## Why This Product

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

## Key Features

- • **Durable Design:** Crafted from high-quality steel for superior rust resistance over iron.
- • **Quality Assurance:** Meets SAE standard J514, ensuring reliability and performance.
- • **Professional Grade:** Ideal for demanding applications in various industries.
- • **Versatile Connection:** Seamlessly connects different pipe types with a JIC flared male connector.
- • **Extreme Temperature Tolerance:** Operates efficiently in a wide temperature range from -63°F to 400°F.

## Overview

The Brennan 6400-06-04-O Steel JIC Flared Tube Fitting is a robust adapter designed for connecting pipes or fittings of different types. Featuring a JIC flared male connector and an O-ring boss, this fitting is made of durable steel, ensuring greater rust resistance than iron. With an impressive operating temperature range of -63 to 400 degrees F, it meets SAE standard J514 for quality assurance, making it a reliable choice for professional applications.

## Description

The Brennan 6400-O series MJ-04MORB adapter fitting is made of steel and has JIC male and O-ring boss connectors. This adapter fitting connects pipes or fittings with different end types, diameters, or materials. It has a Joint Industrial Council (JIC) flared male connector on one end and an O-ring boss on the other. The fitting is made of steel for its better weldability and increased rust resistance over iron. The operating temperatures for this fitting range from -63 to 400 degrees F. This fitting meets Society of Automotive Engineers (SAE) standard J514 for quality assurance.Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. Push-to-connect compression fittings do not require tools or sealants, and are useful in installations where a heat source, such as a soldering torch, is prohibited. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size, and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness).Brennan Industries manufactures critical flow components. The company, founded in 1953 and headquartered in Solon, OH, meets International Organization for Standardization (ISO) 9001:2008 standards and its fittings meet Society of Automotive Engineers (SAE) specifications.

## Features

- Adapter for connecting pipes or fittings of different types
- Fitting has a JIC flared male connector on one end and an O-ring boss on the other
- Made of steel for greater rust resistance than iron
- Operating temperature ranges from -63 to 400 degrees F
- Meets SAE standard J514 for quality assurance

## Product Details

- **Size:** 1 Count (Pack of 1)
- **Material:** Steel
- **Brand:** brennan
- **Color:** Silver
- **Connector Type:** Adapter
- **Exterior Finish:** Brass
- **Thread Type:** NPT
- **Item Weight:** 0.06 Pounds
- **Manufacturer:** Brennan Industries, Inc.

## Images

![Brennan 6400-06-04-O Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 7/16-20 Male Straight Thread O-Ring Boss - Image 1](https://m.media-amazon.com/images/I/51nBybLAQjL.jpg)
![Brennan 6400-06-04-O Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 7/16-20 Male Straight Thread O-Ring Boss - Image 2](https://m.media-amazon.com/images/I/71HxOWFRy0L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit.
*by C***N on June 13, 2025*

I use this to repair a Ford 3400 tractor's front end loader. The metal tube was leaking and I replaced the whole thing with a 3/4 inch flexible hose. This fit perfectly on the control box side. I ordered the wrong parts 4 times and all of them were very nice Brennan pieces. Made in China so it only costs $10 or so.

### ⭐⭐⭐⭐⭐ Hydraulic fitting
*by B***G on December 10, 2024*

All is good. Installed and working well

### ⭐⭐⭐⭐ made in china
*by M***D on April 26, 2023*

Has a big stamping on the flat that says CHINA. They dont show that in the picture. If i had seen that I would have passed on these fittings.

## Frequently Bought Together

- Brennan 6400-06-04-O Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 7/16-20 Male Straight Thread O-Ring Boss
- Brennan 6801-08-08-NWO-FG Forged Steel JIC Flared Tube Fitting, 90 Degree Elbow, 1/2" Tube OD JIC Male x 3/4-16 Male Straight Thread O-Ring Boss
- Brennan Industries 6500-06-06-FG Forged Steel 90 Degree Elbow Tube Fitting, 9/16"-18 SAE x 9/16"-18 SAE Thread, 3/8" Male JIC x 3/8" Female JIC Swivel

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**Shop now:** [https://www.desertcart.sk/products/180463841-brennan-6400-06-04-o-steel-jic-flared-tube-fitting](https://www.desertcart.sk/products/180463841-brennan-6400-06-04-o-steel-jic-flared-tube-fitting)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-25*