{"product_id":"brass-npt-female-coupling-pipe-fitting-compressor","title":"Brass NPT Female Coupling Pipe Fitting 1\/8\" 1\/4\" 3\/8\" 1\/2\"","description":"\n\u003ch2\u003eBrass NPT Female Coupling Pipe Fitting — Reliable Straight-Run Connections\u003c\/h2\u003e\n\u003cp\u003eKeep your air lines, water lines, and compressor plumbing leak-free with these precision-machined \u003cstrong\u003eBrass NPT Female Couplings\u003c\/strong\u003e. Designed to join two same-diameter pipes in a straight run, these fittings are an essential addition to any workshop, garage, or job site. The standard NPT (National Pipe Taper) thread ensures a secure, pressure-rated seal every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality solid brass (copper alloy) — corrosion-resistant and long-lasting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e NPT (National Pipe Taper) Female on both ends\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 1\/8\" × 1\/8\", 1\/4\" × 1\/4\", 3\/8\" × 3\/8\", 1\/2\" × 1\/2\" NPT Female\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Straight coupling — connects two pipes of the same diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Pressure Rating:\u003c\/strong\u003e Less than 850 kPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal For:\u003c\/strong\u003e Air compressors, pneumatic systems, water lines, gas lines, and general plumbing applications\u003c\/li\u003e\n  \u003cli\u003eBrand new and individually quality-checked\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%\"\u003e\n  \u003ctr style=\"background:#f5f5f5\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eBrass (Copper Alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eNPT Female\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eStraight Coupling (Flange)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003ePressure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u0026lt; 850 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003e1 × Brass NPT Female Coupling (size of your choice)\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread standard do these brass couplings use?\u003c\/h4\u003e\n\u003cp\u003eA: These brass couplings feature NPT (National Pipe Taper) female threads on both ends. NPT is the most widely used standard for threaded pipe fittings in North America, ensuring broad compatibility with compressors, air tools, and general plumbing systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What sizes are available for the NPT female brass coupling?\u003c\/h4\u003e\n\u003cp\u003eA: The brass NPT female coupling is available in four sizes: 1\/8\" × 1\/8\", 1\/4\" × 1\/4\", 3\/8\" × 3\/8\", and 1\/2\" × 1\/2\". Simply select the size that matches your existing pipe diameter when adding to your cart.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this brass coupling be used with an air compressor?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These fittings are rated for pressures under 850 kPa and are well-suited for air compressor lines, pneumatic systems, and other low-to-medium pressure plumbing applications where a straight inline connection is needed.\u003c\/p\u003e\n\u003ch4\u003eQ: Is any sealant required when installing this fitting?\u003c\/h4\u003e\n\u003cp\u003eA: For NPT threaded fittings, it is standard practice to apply PTFE (Teflon) tape or a thread sealant compound to the male threads before assembly to ensure a leak-free connection. The fitting itself does not include sealant tape.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread standard do these brass couplings use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These brass couplings feature NPT (National Pipe Taper) female threads on both ends. NPT is the most widely used standard for threaded pipe fittings in North America, ensuring broad compatibility with compressors, air tools, and general plumbing systems.\"}}, {\"@type\": \"Question\", \"name\": \"What sizes are available for the NPT female brass coupling?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The brass NPT female coupling is available in four sizes: 1\/8\\\" × 1\/8\\\", 1\/4\\\" × 1\/4\\\", 3\/8\\\" × 3\/8\\\", and 1\/2\\\" × 1\/2\\\". Simply select the size that matches your existing pipe diameter when adding to your cart.\"}}, {\"@type\": \"Question\", \"name\": \"Can this brass coupling be used with an air compressor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! These fittings are rated for pressures under 850 kPa and are well-suited for air compressor lines, pneumatic systems, and other low-to-medium pressure plumbing applications where a straight inline connection is needed.\"}}, {\"@type\": \"Question\", \"name\": \"Is any sealant required when installing this fitting?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For NPT threaded fittings, it is standard practice to apply PTFE (Teflon) tape or a thread sealant compound to the male threads before assembly to ensure a leak-free connection. The fitting itself does not include sealant tape.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Brass NPT Female Coupling Pipe Fitting 1\/8\\\" 1\/4\\\" 3\/8\\\" 1\/2\\\"\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/products\/brass-npt-female-coupling-pipe-fitting-compressor\"}]}\u003c\/script\u003e","brand":"Richie's","offers":[{"title":"1-4- x 1-4- NPT","offer_id":57544816197798,"sku":"1005012857212414-1-4- x 1-4- NPT","price":9.46,"currency_code":"USD","in_stock":true},{"title":"3-8- x 3-8- NPT","offer_id":57544816230566,"sku":"1005012857212414-3-8- x 3-8- NPT","price":10.81,"currency_code":"USD","in_stock":true},{"title":"1-8- x 1-8- NPT","offer_id":57544816263334,"sku":"1005012857212414-1-8- x 1-8- NPT","price":7.98,"currency_code":"USD","in_stock":true},{"title":"1-2- x 1-2- NPT","offer_id":57544816296102,"sku":"1005012857212414-1-2- x 1-2- NPT","price":13.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2182\/7494\/files\/S891e461626b442a29b16536abdf2cae3x.webp?v=1790807715","url":"https:\/\/richiesmart.com\/products\/brass-npt-female-coupling-pipe-fitting-compressor","provider":"Richie's","version":"1.0","type":"link"}