--- product_id: 806498642 title: "3/8\" Female to 1/4\" Male NPT Reducer Adapter, 304 Stainless Steel Reducing Pipe Fittings Adapter, 1/4\" MNPT X 3/8\" FNPT Reducer Pipe Extension Connector" brand: "feyadaper" price: "70.65 DT" currency: TND in_stock: true reviews_count: 9 category: "Feyadaper" url: https://www.desertcart.tn/products/806498642-3-8-female-to-1-4-male-npt-reducer-adapter store_origin: TN region: Tunisia --- # Max Pressure 5600 psi Precision 304 Stainless Steel Wide Temp Range -50℃ to 500℃ 3/8" Female to 1/4" Male NPT Reducer Adapter, 304 Stainless Steel Reducing Pipe Fittings Adapter, 1/4" MNPT X 3/8" FNPT Reducer Pipe Extension Connector **Brand:** feyadaper **Price:** 70.65 DT **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade Your Pipeline Game with Precision & Power! ## Quick Answers - **What is this?** 3/8" Female to 1/4" Male NPT Reducer Adapter, 304 Stainless Steel Reducing Pipe Fittings Adapter, 1/4" MNPT X 3/8" FNPT Reducer Pipe Extension Connector by feyadaper - **How much does it cost?** 70.65 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/806498642-3-8-female-to-1-4-male-npt-reducer-adapter) ## Best For - feyadaper enthusiasts ## Why This Product - Trusted feyadaper brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Machined Fit:** Tapered NPT threads guarantee a tight seal when paired with PTFE tape, delivering leak-free performance and peace of mind. - • **Seamless Size Transition:** Effortlessly connects 3/8" female NPT to 1/4" male NPT threads, reducing leaks and minimizing connection points for a stronger pipeline. - • **High-Pressure Performance:** Engineered to withstand up to 5600 psi, ensuring reliable operation in demanding industrial and mechanical environments. - • **Industrial-Grade Durability:** Crafted from premium 304 stainless steel with 12%+ chromium for superior corrosion resistance and long-lasting strength. - • **Extreme Temperature Resilience:** Operates flawlessly from -50℃ to 500℃ (-58℉ to 932℉), perfect for diverse applications from petrochemical to water treatment. ## Overview This 3/8" Female to 1/4" Male NPT Reducer Adapter is a high-quality, precision-machined pipe fitting made from premium 304 stainless steel. Designed for industrial and mechanical use, it supports pressures up to 5600 psi and operates across a wide temperature range (-50℃ to 500℃). Its tapered NPT threads ensure a secure, leak-resistant connection between different pipe sizes, making it an essential component for professionals seeking durability and reliability in fluid or gas systems. ## Description Buy 3/8" Female to 1/4" Male NPT Reducer Adapter, 304 Stainless Steel Reducing Pipe Fittings Adapter, 1/4" MNPT X 3/8" FNPT Reducer Pipe Extension Connector: Pipe Fittings - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Impressive quality and worked great - Very good quality. Precision machining. Solved an adapter problem for me! Review: 3/8" reducers well built, good threads, no leaks - The 3/8" reducers are well built, have good threads, and no leaks when in use. I bought these to replace the fittings I had that used more connections to get the same job done. Less connections, stronger pipe, less chance of leaks. I am using it in an air line, right off the side of a small 20 gallon tank, so the stronger the better. ## Features - FEMALE TO MALE REDUCER ADAPTER: 3/8 inch female thread has 0.56"-0.59" inner diameter(ID) and connect to 0.63"-0.65" outer diameter(OD) pipe thread. 1/4 inch male thread has 0.5"-0.53"outer diameter(OD) and connect to 0.45"-0.47" inner diameter(ID) female pipe thread. 1/4 NPT male X 3/8 NPT female thread pipe fitting connector. Max Pressure: 5600psi, Working Temperature Range: -50℃~+500℃/-58℉~+932℉. - PREMIUM 304 STAINLESS STEEL: Our new reducing pipe fittings adapter is machined from premium high alloy 304 stainless steel hexagonal bar in one piece,contains12%+ chromium which is strong and solid, and usually not easy to be corroded in air or chemical medium. It can meet the good comprehensive performance of the machine parts. - SIMPLE OPERATION: When using reducer pipe extension connector, just connect them to each other according to the correct size, Use PTFE tape for better sealing.(PTFE tape not included). Reducer adapter can connecting pipes or fittings with different size threads, diameters or materials. - APPLICATION: Reducing adapter is pipe fittings that connect female and male threads together. With good quality, standard size and strong sealing, this kind of fitting is a high-quality pipe connection adapter. This adapter is suitable for many fields, such as petrochemical, water treatment, mechanical processing, etc. - NOTE: The size we marked of reducing pipe fittings adapter is not the outside diameter of the product, it is the flow diameter of the pipe after connection, please confirm the correct size before purchase.NPT threads are tapered threads and are not compatible with straight threads and other nps, npc, etc. threads. Please note the difference. Please read the size information carefully before purchase. Correct selection of size and joint material can ensure the reliability and safety of the pipeline. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FGXWVM4M | | Best Sellers Rank | #10,636 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #188 in Pipe Fittings | | Brand | feyadaper | | Brand Name | feyadaper | | Color | 304ss | | Connector Type | Reducer | | Customer Reviews | 4.7 out of 5 stars 104 Reviews | | Exterior Finish | Alloy Steel | | Included Components | no | | Item Dimensions | 0.1 x 0.1 x 0.1 inches | | Item dimensions L x W x H | 0.1 x 0.1 x 0.1 inches | | Manufacturer | feyadaper | | Material | Stainless Steel | | Material Type | Stainless Steel | | Model Number | male X female | | Number of Pieces | 1 | | Size | 1/4"MNPT-3/8"FNPT | | Thread Size | 3/8" Female to 1/4" Male | | Thread Type | NPT | | Unit Count | 1.0 Count | ## Product Details - **Brand:** feyadaper - **Color:** 304ss - **Connector Type:** Reducer - **Exterior Finish:** Alloy Steel - **Item dimensions L x W x H:** 0.1 x 0.1 x 0.1 inches - **Material:** Stainless Steel - **Number of Packs:** 1 - **Size:** 1/4"MNPT-3/8"FNPT - **Thread Size:** 3/8" Female to 1/4" Male - **Thread Type:** NPT ## Images ![3/8" Female to 1/4" Male NPT Reducer Adapter, 304 Stainless Steel Reducing Pipe Fittings Adapter, 1/4" MNPT X 3/8" FNPT Reducer Pipe Extension Connector - Image 1](https://m.media-amazon.com/images/I/71Od8TCgjdL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Impressive quality and worked great *by M***. on July 19, 2026* Very good quality. Precision machining. Solved an adapter problem for me! ### ⭐⭐⭐⭐⭐ 3/8" reducers well built, good threads, no leaks *by J***. on May 30, 2026* The 3/8" reducers are well built, have good threads, and no leaks when in use. I bought these to replace the fittings I had that used more connections to get the same job done. Less connections, stronger pipe, less chance of leaks. I am using it in an air line, right off the side of a small 20 gallon tank, so the stronger the better. ### ⭐⭐⭐⭐⭐ It was delivered on time *by A***R on June 21, 2026* Strong material. Well made and was deliver on time and that was really important. --- ## 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/806498642-3-8-female-to-1-4-male-npt-reducer-adapter](https://www.desertcart.tn/products/806498642-3-8-female-to-1-4-male-npt-reducer-adapter) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-30*