---
product_id: 323156797
title: "(S-715) 1/4\" FNPT Female M-Style KWIK-CHANGE Coupler, Red"
brand: "milton"
price: "C$1032"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/323156797-s-715-1-4-fnpt-female-m-style-kwik-change
store_origin: NI
region: Nicaragua
---

# 40 SCFM max airflow Up to 250°F max temp 1/4" FNPT female thread (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler, Red

**Brand:** milton
**Price:** C$1032
**Availability:** ✅ In Stock

## Summary

> 🔩 Connect Fast, Work Smart – The Pro’s Choice in Pneumatic Couplers!

## Quick Answers

- **What is this?** (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler, Red by milton
- **How much does it cost?** C$1032 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/323156797-s-715-1-4-fnpt-female-m-style-kwik-change)

## 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

- • **Robust Brass Construction:** Durable brass body with Buna-N seals resists rust and wear for long-lasting performance.
- • **Compact & Lightweight Design:** Sleek 45g profile fits tight spaces, perfect for on-the-go pros who value efficiency.
- • **Kwik-Change Interchangeability:** Military-spec compliant design ensures quick swaps across brands without downtime.
- • **Universal M-Style Compatibility:** Seamlessly fits all Milton and competitor M-style couplers for effortless integration.
- • **High-Pressure & Temperature Tolerance:** Handles up to 300 PSI and 250°F, built for demanding professional environments.

## Overview

The Milton (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler is the industry-standard pneumatic connector trusted by professionals. Crafted from durable brass with Buna-N seals, it supports up to 300 PSI and 40 SCFM airflow, while withstanding temperatures up to 250°F. Its military-spec compliant, interchangeable design ensures seamless compatibility with most manufacturers, making it an essential, reliable tool for any serious pneumatic setup.

## Description

Milton (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler Milton Industries is proud to be the creator and leader of the pneumatic industry standard M-Style coupler. This 1/4" FNPT M style brass coupler has a 1/4" basic flow size, offering a maximum of 300 PSI. Comes with Buna-N seal and air flow of 40 SCFM. You can also find this S-715 air coupler included in these Milton coupler/plug and accessory kits:  #711, #S-210, #S-210-14, #S-211, #S-212, #S-218, #S-222, #MK506-2, #MK1669-1, #MK506-1.  Milton M-Style Kwik Change couplers are made of brass, while M-Style Kwik Change plugs are made of case-hardened steel and are plated to resist rust. This collection of couplers and plugs: - Will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109.  - Offer a maximum airflow of 40 standard cubic feet per minute (except for select Push Button options). - Offer a maximum of 300 pounds per square inch. - Can withstand a max temperature of 250 degrees Fahrenheit.

## Features

- M-STYLE: The industry standard coupler. Milton M-style, ColorFit M-style, + red compeor couplers/plugs are all compatible.
- KWIK-CHANGE: Interchangeable/compatible with most manufacturers. Compliant with military specification MIL-C-4109.
- NPT: 1/4" female national pipe thread flow size. Case hardened steel drag guard to prevent accidental uncoupling and resist rust. Durable brass. Buna-N seals.
- MAXIMUM: 40 standard cubic feet per minute (SCFM). 300 PSI inlet pressure. Temperatures up to 250 degrees F.
- INCLUDED IN MILTON M-STYLE KITS: #711, S-210, S-210-14, S-211, S-212, S-218, S-222, MK506-2, MK1669-1, MK506-1..The industry standard M style coupler.1/4" female national pipe thread.Kwik Change couplers will interchange with all manufacturers.40 standard cubic feet per minute.Maximum temperature of 250 degrees Fahrenheit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Milton Industries |
| Part number | S-715 |
| Item Weight | 45.4 g |
| Product Dimensions | 4.98 x 2.36 x 2.36 cm; 45.36 g |
| Item model number | S-715 |
| Size | Single |
| Color | Red |
| Style | Coupler |
| Finish | Brass |
| Material | Brass |
| Power source type | Air Powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement System | Inch |
| Special Features | M-STYLE: The industry standard coupler. Milton M-style, ColorFit M-style, + red competitor couplers/plugs are all compatible. -KWIK-CHANGE®: Interchangeable/compatible with most manufacturers. Compliant with military specification MIL-C-4109. -NPT: 1/4" female national pipe thread flow size. Durable brass. Buna-N seals. -MAXIMUM: 40 standard cubic feet per minute (SCFM). 300 PSI inlet pressure. Temperatures up to 250 degrees F. |
| Included components | 1 Milton Branded Product |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** Single
- **Material:** Brass
- **Brand:** Milton
- **Colour:** Red
- **Item dimensions L x W x H:** 50 x 24 x 24 millimeters

## Images

![(S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler, Red - Image 1](https://m.media-amazon.com/images/I/61FjCbQdNfL.jpg)

## Questions & Answers

**Q: My 10+ year old s-715 hisses, even after installing new s-727 plugs. does the very small o-ring in this s-715 eventually wear out?**
A: Yes, orings can get old and less plyable so they will not seal as well

**Q: is this for high pressure propane on an RV tank?**
A: The model number S-715 will be an air style fitting. The maximum pressure will be 300 PSI.

**Q: Where is it made?**
A: Mine says made in USA on packaging. Nothing listed on the part itself. I like mine, purchased several and all work good. Would buy again.

**Q: If a single pack costs $4.68, why does a 2 pack cost $16.99 ??**
A: Better quality  or greed

## Frequently Bought Together

- Milton (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler , Red
- Milton (S-716) 1/4" Male NPT M Style (Industrial) Air fitting Quick Connect Coupler (Packaging May Vary)
- Milton Industries S-728 1/4" FNPT M Style Plug, Steel - 2 Count (Pack of 1)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-28*