--- product_id: 115876472 title: "Milton S-715-4 1/4\" FNPT M Style Coupler - Pack of 4" brand: "milton" price: "€ 103.03" currency: EUR in_stock: true category: "Milton" url: https://www.desertcart.sk/products/115876472-milton-s-715-4-1-4-fnpt-m-style-coupler store_origin: SK region: Slovakia --- # 40 SCFM airflow power 250°F max temp endurance 1/4" FNPT thread precision Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 **Brand:** milton **Price:** € 103.03 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your toolkit with precision-engineered couplers that mean business! ## Quick Answers - **What is this?** Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 by milton - **How much does it cost?** € 103.03 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/115876472-milton-s-715-4-1-4-fnpt-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 - • **High-Pressure Resilience:** Withstands up to 300 PSI to keep your projects running strong. - • **Durable Brass Construction:** Premium brass body and sleeve ensure long-lasting reliability and corrosion resistance. - • **Optimal Airflow Efficiency:** Delivers a robust 40 SCFM for peak pneumatic performance. - • **Military-Grade Compatibility:** Seamlessly fits all MIL-C-4109 spec tools for ultimate versatility. - • **Buna-N Seals for Leak-Free Operation:** Engineered for airtight connections, minimizing downtime and maximizing productivity. ## Overview The Milton S-715-4 pack of four 1/4" FNPT M Style couplers offers military-spec compatibility, supporting up to 300 PSI pressure and 40 SCFM airflow. Crafted from durable brass with Buna-N seals, these couplers ensure reliable, leak-free pneumatic connections capable of withstanding temperatures up to 250°F. Perfect for professionals demanding efficiency and durability in their air tool accessories. ## Description 1/4" FNPT M style Kwik change couplers will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109. M style couplers have a basic flow size of 1/4" and offer up to 300 PSI. Complete with a Buna-N Seal. These M style couplers have a brass body and sleeve with air flow of 40 SCFM. ## Features - 1/4" female 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 - Buna-N seal; Made in USA.1/4" female 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.Buna-N seal ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00YJ8PDJW | | Best Sellers Rank | 908,687 in DIY & Tools ( See Top 100 in DIY & Tools ) 4,966 in Air Tool Accessories | | Brand | Milton | | Colour | Gold | | Connector Type | Coupling | | Customer Reviews | 4.6 4.6 out of 5 stars (2,053) | | Exterior Finish | Brass | | Global Trade Identification Number | 00030937314246 | | Included Components | 1 Milton Branded Product | | Item Dimensions | 12.1 x 10.2 x 3.8 centimetres | | Item Type Name | Milton s-715-4 1/4" Fem. Body M-Style 4-pack | | Item Weight | 0.24 Pounds | | Manufacturer | Milton | | Material | Brass | | Model Number | S-715-4 | | Number of Pieces | 4 | | Part Number | S-715-4 | | Size | pack of 4 | | Thread Size | 0.25 inch | | Thread Type | NPT | | UPC | 030937314246 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Milton - **Colour:** Gold - **Connector type:** Coupling - **Exterior finish:** Brass - **Item dimensions L x W x H:** 12.1 x 10.2 x 3.8 centimetres - **Item weight:** 0.24 Pounds - **Material:** Brass - **Size:** pack of 4 - **Thread size:** 0.25 inch - **Thread type:** NPT ## Images ![Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 - Image 1](https://m.media-amazon.com/images/I/61PSPqqB95L.jpg) ![Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 - Image 2](https://m.media-amazon.com/images/I/41J9qVzyojL.jpg) ![Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 - Image 3](https://m.media-amazon.com/images/I/41vCCHY7ccL.jpg) ![Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 - Image 4](https://m.media-amazon.com/images/I/41ax23EbRqL.jpg) ![Milton S-715-4 1/4" FNPT M Style Coupler - Pack of 4 - Image 5](https://m.media-amazon.com/images/I/418AEh3TAiL.jpg) ## Available Options This product comes in different **Size** options. ## 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 --- ## 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.sk/products/115876472-milton-s-715-4-1-4-fnpt-m-style-coupler](https://www.desertcart.sk/products/115876472-milton-s-715-4-1-4-fnpt-m-style-coupler) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-08-22*