---
product_id: 28581813
title: "Milton S-719 3/8\" MNPT M Style Coupler"
brand: "milton"
price: "A$17"
currency: AUD
in_stock: true
reviews_count: 10
category: "Milton"
url: https://www.desertcart.com.au/products/28581813-milton-s-719-3-8-mnpt-m-style-coupler
store_origin: AU
region: Australia
---

# 40 SCFM airflow for efficient performance 250°F max temp for durability under heat 3/8" MNPT thread for secure fit Milton S-719 3/8" MNPT M Style Coupler

**Brand:** milton
**Price:** A$17
**Availability:** ✅ In Stock

## Summary

> ⚙️ Connect with Confidence, Work with Power!

## Quick Answers

- **What is this?** Milton S-719 3/8" MNPT M Style Coupler by milton
- **How much does it cost?** A$17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/28581813-milton-s-719-3-8-mnpt-m-style-coupler)

## Best For

- milton enthusiasts

## Why This Product

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

## Key Features

- • **Optimal 40 SCFM Airflow:** Delivers consistent, powerful air supply for peak tool performance
- • **Heat-Resistant Brass Build:** Withstands up to 250°F, perfect for tough workshop environments
- • **Kwik Change Coupler Design:** Quick, hassle-free swaps keep your workflow uninterrupted and efficient
- • **Precision 3/8" MNPT Thread:** Ensures a leak-proof, industry-standard connection every time
- • **Robust 300 PSI Pressure Rating:** Handles high-demand pneumatic tasks with ease and reliability

## Overview

The Milton S-719 3/8" MNPT M Style Coupler is a premium brass pneumatic fitting designed for professionals who demand durability and efficiency. Featuring a secure 3/8" male national pipe thread, it supports up to 300 PSI pressure and 40 SCFM airflow, making it ideal for heavy-duty air tool applications. Its heat-resistant construction tolerates temperatures up to 250°F, while the Kwik Change design ensures fast, seamless coupling. Trusted by pros for over 20 years, this USA-made coupler guarantees long-lasting performance in any workshop or job site.

## Description

3/8" MNPT M style couplers offer a 1/4" basic flow size and a maximum pressure of 300 PSI. The industry standard M style couplers come with a Buna-N seal. Air flow of 40 SCFM.

Review: A brand for the long-term - I have used Milton air couplers for over 20 years now. They have always been great quality, weather in the heavy equipment shop, or in the home garage. I will always go for the Milton brand when looking for air couplers and accessories.
Review: Milton Coupler - Typical Milton coupler. Good quality.

## Features

- 3/8" Male national pipe thread
- Maximum pressure of 300 pounds per square inch
- Air flow of 40 standard cubic feet per minute
- Maximum temperature of 250 degrees Fahrenheit
- Kwik change coupler; Made in USA
- Kwik change coupler

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0000AXC9U |
| Best Sellers Rank | #142,295 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #215 in Air Tool Fittings |
| Brand | Milton |
| Brand Name | Milton |
| Color | Gold |
| Connector Type | Coupling |
| Customer Reviews | 4.7 out of 5 stars 71 Reviews |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00030937007193 |
| Included Components | 1 Milton Branded Product |
| Item Dimensions | 4 x 2 x 1 inches |
| Item Type Name | Milton s-719 3/8" Male Body M-Style |
| Item Weight | 3.52 ounces |
| Item dimensions L x W x H | 4 x 2 x 1 inches |
| Manufacturer | Milton |
| Manufacturer Part Number | S-719 |
| Manufacturer Warranty Description | 1 year limited |
| Material | Brass |
| Material Type | Brass |
| Model Number | S-719 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Size | 1 Count (Pack of 1) |
| Thread Size | 3/8" |
| Thread Type | NPT |
| UPC | 030937007193 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Milton
- **Color:** Gold and Black
- **Connector Type:** Coupler
- **Exterior Finish:** Brass
- **Item Weight:** 0.22 Pounds
- **Item dimensions L x W x H:** 4 x 2 x 1 inches
- **Material:** Brass
- **Size:** 1 Count (Pack of 1)
- **Thread Size:** SCFM
- **Thread Type:** NPT

## Images

![Milton S-719 3/8" MNPT M Style Coupler - Image 1](https://m.media-amazon.com/images/I/61B8IRh1WPL.jpg)
![Milton S-719 3/8" MNPT M Style Coupler - Image 2](https://m.media-amazon.com/images/I/61oxVQwB7SL.jpg)
![Milton S-719 3/8" MNPT M Style Coupler - Image 3](https://m.media-amazon.com/images/I/61zJqt7ZEQL.jpg)
![Milton S-719 3/8" MNPT M Style Coupler - Image 4](https://m.media-amazon.com/images/I/61+SCTBoLHL.jpg)

## Questions & Answers

**Q: Picture shows fnpt coupler description says mnpt. can you verify it is 3/8 mnpt please?**
A: Thank you for contacting us. Confirmed 719 is a Male coupler 3/8" NPT. Sorry for the confusion this will be corrected on our end.Best Regards,Milton

**Q: Is the "m-style coupler" compatible with "industrial" fittings?  trying to distinguish between industrial, automotive, and aro.  or does it matter?**
A: Yes, but series type must match. M style to M style and H style to...

## Customer Reviews

### ⭐⭐⭐⭐⭐ A brand for the long-term
*by J***. on July 4, 2025*

I have used Milton air couplers for over 20 years now. They have always been great quality, weather in the heavy equipment shop, or in the home garage. I will always go for the Milton brand when looking for air couplers and accessories.

### ⭐⭐⭐⭐⭐ Milton Coupler
*by C***D on May 9, 2026*

Typical Milton coupler. Good quality.

### ⭐⭐⭐⭐⭐ Perfect replacement
*by B***N on February 20, 2025*

The QD on my compressor started leaking. This fit perfectly and worked like a new one should

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**Shop now:** [https://www.desertcart.com.au/products/28581813-milton-s-719-3-8-mnpt-m-style-coupler](https://www.desertcart.com.au/products/28581813-milton-s-719-3-8-mnpt-m-style-coupler)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-09-15*