---
product_id: 380593645
title: "Industries S-728 1/4\" FNPT M Style Plug, Steel - 2 Count (Pack of 1)"
brand: "milton"
price: "¥2441"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/380593645-industries-s-728-1-4-fnpt-m-style-plug-steel
store_origin: JP
region: Japan
---

# 40 SCFM airflow capacity 250°F max temperature 1/4" FNPT precision fit Industries S-728 1/4" FNPT M Style Plug, Steel - 2 Count (Pack of 1)

**Brand:** milton
**Price:** ¥2441
**Availability:** ✅ In Stock

## Summary

> 🔧 Plug into performance with Milton’s steel-strong M Style plugs!

## Quick Answers

- **What is this?** Industries S-728 1/4" FNPT M Style Plug, Steel - 2 Count (Pack of 1) by milton
- **How much does it cost?** ¥2441 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/380593645-industries-s-728-1-4-fnpt-m-style-plug-steel)

## 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

- • **Optimized 40 SCFM Airflow:** Ensures efficient air flow for peak pneumatic performance.
- • **Durable Case-Hardened Steel:** Rust-resistant plating guarantees longevity and reliability in demanding conditions.
- • **Precision Engineered 1/4" FNPT:** Seamless compatibility with standard pipe threads for effortless integration.
- • **Robust 300 PSI Pressure Rating:** Built to withstand high-pressure environments without compromise.
- • **Made in USA with Military Spec Compliance:** Trust in quality and durability meeting MIL-C-4109 standards.

## Overview

The Milton Industries S-728 M Style Plug is a high-performance 1/4" female NPT steel plug designed for demanding pneumatic applications. Rated for up to 300 PSI and 250°F, it supports airflow up to 40 SCFM. Made in the USA and compliant with military specification MIL-C-4109, this pack of two plugs offers durability, precision, and reliability for professional-grade plumbing and air systems.

## Description

1/4" FNPT M style plugs have a 1/4" basic flow size and air flow of 40 SCFM. Made of case hardened steel and plated to resist rust, M style plugs have a maximum pressure of 300 PSI.

## Features

- 1/4" female national pipe thread
- Maximum inlet pressure of 300 pounds per square inch
- 40 standard cubic feet per minute
- Maximum temperature of 250 degrees Fahrenheit
- Made in USA.The Industry Standard M Style Plug.Plug M Style 2 per pack.1/4" Basic Flow Size 1/4" Female NPT Steel plug Air flow 40 SCFM.Complies with military specification MIL-C-4109

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Milton Industries |
| Part number | S-728 |
| Item Weight | 22.7 g |
| Product Dimensions | 3.81 x 1.52 x 1.52 cm; 22.68 g |
| Item model number | S-728 |
| Size | Female |
| Color | Box of 2 |
| Finish | Steel |
| Material | Alloy Steel |
| Item thickness | 0.4 Inches |
| Power source type | Air Powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 2 |
| Maximum Pressure | 1 |
| Measurement System | English |
| Special Features | 1/4" female national pipe thread -Maximum inlet pressure of 300 pounds per square inch -40 standard cubic feet per minute -Maximum temperature of 250 degrees Fahrenheit - - - |
| Included components | Milton S-728 1/4" FNPT M Style Plug - Pack of 2 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** Female
- **Material:** Alloy Steel
- **Brand:** Milton
- **Colour:** Box of 2
- **Item dimensions L x W x H:** 38 x 15 x 15 millimeters

## Images

![Industries S-728 1/4" FNPT M Style Plug, Steel - 2 Count (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/61Cpq5M7BWL.jpg)

## Available Options

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

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-03*