--- product_id: 37180212 title: "Industrial Coupler 1/4\" NPT Female Brass, M-STYLE® Quick Connect Air Coupler, S-715 - Pack of 10" brand: "milton" price: "93.73 DT" currency: TND in_stock: true reviews_count: 13 category: "Milton" url: https://www.desertcart.tn/products/37180212-industrial-coupler-1-4-npt-female-brass-m-style-quick store_origin: TN region: Tunisia --- # 40 SCFM max airflow Up to 250°F max temp 1/4" NPT female thread Industrial Coupler 1/4" NPT Female Brass, M-STYLE® Quick Connect Air Coupler, S-715 - Pack of 10 **Brand:** milton **Price:** 93.73 DT **Availability:** ✅ In Stock ## Summary > 🔧 Connect Like a Pro — Don’t Get Left Behind! ## Quick Answers - **What is this?** Industrial Coupler 1/4" NPT Female Brass, M-STYLE® Quick Connect Air Coupler, S-715 - Pack of 10 by milton - **How much does it cost?** 93.73 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/37180212-industrial-coupler-1-4-npt-female-brass-m-style-quick) ## 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 - • **Trusted by Pros:** Included in top Milton kits and backed by 1-year warranty—quality you can rely on. - • **High Performance Specs:** Supports up to 300 PSI and 40 SCFM airflow for professional-grade pneumatic power. - • **Industry Standard M-Style:** Seamlessly compatible with Milton, ColorFit, and top competitors for zero hassle. - • **Durable Brass & Steel Build:** Brass coupler with case-hardened steel drag guard resists rust and accidental uncoupling. - • **Kwik-Change Interchangeability:** Military-spec MIL-C-4109 compliant for effortless swaps across brands. ## Overview The Milton S-715 Industrial Coupler is a 1/4" female NPT brass M-Style quick-connect air coupler designed for high compatibility and durability. It supports up to 300 PSI and 40 SCFM airflow, withstands temperatures up to 250°F, and features a rust-resistant steel drag guard. Trusted by professionals and included in multiple Milton kits, it ensures seamless, reliable pneumatic connections across brands. ## 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. Review: Best Air Coupler - Milton is the best, long lasting, no leaks, easy quick connect, A+++ Review: Great Couplers that Don’t leak - I needed two new couplers to replace some I had that were over 30 years old and they were leaking air so my compressor was constantly cycling on and off to keep the pressure in the tank up. I was replacing the air hose and got the new couplers so I could replace both at the same time and everything worked great together and now my compressor holds air pressure with no leaks, so it runs a lot less. The Milton couplers came in a set of four which cost less than buying them separately and since I didn’t need four I have spare couplers available if I need one in the future. I highly recommend this Milton Brand Coupler because they are made of heavy duty quality components and will last many years. ## 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. 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 | |---------------|-------| | ASIN | B0002SQTAK | | Best Sellers Rank | #18,784 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Air Tool Fittings | | Brand | Milton | | Brand Name | Milton | | Color | Red | | Connector Type | Coupling | | Customer Reviews | 4.7 out of 5 stars 1,916 Reviews | | Exterior Finish | Alloy Steel | | Global Trade Identification Number | 00030937007155 | | Included Components | Female M-Style Coupler | | Item Dimensions | 1.96 x 0.93 x 0.93 inches | | Item Type Name | Coupler | | Item Weight | 0.1 Pounds | | Item dimensions L x W x H | 1.96 x 0.93 x 0.93 inches | | Manufacturer | Milton Industries | | Manufacturer Part Number | S-715 | | Manufacturer Warranty Description | 1-Year Limited Warranty | | Material | Brass | | Material Type | Brass | | Model Number | S-715 | | Number of Pieces | 1 | | Size | 1/4 inch (Pack of 1) | | Thread Type | NPT | | UPC | 030937007155 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Milton - **Color:** Red - **Connector Type:** Coupling - **Exterior Finish:** Alloy Steel - **Item Weight:** 0.1 Pounds - **Item dimensions L x W x H:** 1.96 x 0.93 x 0.93 inches - **Material:** Brass - **Number of Pieces:** 1 - **Size:** 1/4 inch (Pack of 1) - **Thread Type:** NPT ## Images ![Industrial Coupler 1/4" NPT Female Brass, M-STYLE® Quick Connect Air Coupler, S-715 - Pack of 10 - 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best Air Coupler *by J***. on May 2, 2026* Milton is the best, long lasting, no leaks, easy quick connect, A+++ ### ⭐⭐⭐⭐⭐ Great Couplers that Don’t leak *by T***N on December 12, 2023* I needed two new couplers to replace some I had that were over 30 years old and they were leaking air so my compressor was constantly cycling on and off to keep the pressure in the tank up. I was replacing the air hose and got the new couplers so I could replace both at the same time and everything worked great together and now my compressor holds air pressure with no leaks, so it runs a lot less. The Milton couplers came in a set of four which cost less than buying them separately and since I didn’t need four I have spare couplers available if I need one in the future. I highly recommend this Milton Brand Coupler because they are made of heavy duty quality components and will last many years. ### ⭐⭐⭐⭐⭐ Easy to apply and remove *by T***Y on June 21, 2025* Works great for an air supply quick connect. The brass color looks great and the quality seems to be excellent after a few uses. Perfect fit with my supply line and was a low cost replacement. ## 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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/37180212-industrial-coupler-1-4-npt-female-brass-m-style-quick](https://www.desertcart.tn/products/37180212-industrial-coupler-1-4-npt-female-brass-m-style-quick) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-05*