{"product_id":"brass-captive-sleeve-adapter-tube-od-female-npt","title":"Warthog Brass Captive Sleeve Adapter — Tube OD × Female NPT","description":"\u003cp\u003eThe Warthog Brass Captive Sleeve Adapter connects tubing to a female NPT port with a leak-tight compression seal. The sleeve (ferrule) is captured inside the nut, so it can't fall out or get lost during assembly — making installation faster and more reliable in tight spaces on air lines, control lines, and instrumentation runs.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: solid brass body, nut, and captive sleeve\u003c\/li\u003e\n\u003cli\u003eConnection: tube OD compression × female NPT (FNPT)\u003c\/li\u003e\n\u003cli\u003eCompatible tubing: copper, aluminum, and thermoplastic\/poly tube (use a tube insert with soft plastic tubing)\u003c\/li\u003e\n\u003cli\u003eTemperature range: approximately -65°F to +250°F\u003c\/li\u003e\n\u003cli\u003eBest suited to low- and medium-pressure connections without excessive vibration or tube movement\u003c\/li\u003e\n\u003cli\u003eAvailable sizes: 1\/8\" tube × 1\/8\" FNPT, 1\/4\" tube × 1\/8\" FNPT, 1\/4\" tube × 1\/4\" FNPT, 3\/8\" tube × 1\/4\" FNPT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003ePneumatic control and signal lines, shop air drops, compressor accessory plumbing, gauges and instrumentation, and general low-pressure fluid or air connections where a serviceable, tool-friendly compression joint is preferred.\u003c\/p\u003e\n\u003cp\u003eBrass captive sleeve compression adapters give you a durable, corrosion-resistant tube-to-female-NPT connection with a retained sleeve for quick, repeatable assembly — a dependable choice for air compressor and pneumatic systems.\u003c\/p\u003e","brand":"Warthog","offers":[{"title":"1\/8\" Tube x 1\/8\" FNPT","offer_id":54367596937491,"sku":"CSN-142","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1\/4\" Tube x 1\/8\" FNPT","offer_id":54367596970259,"sku":"CSN-145","price":5.0,"currency_code":"USD","in_stock":true},{"title":"1\/4\" Tube x 1\/4\" FNPT","offer_id":54367597003027,"sku":"CSN-146","price":11.0,"currency_code":"USD","in_stock":true},{"title":"3\/8\" Tube x 1\/4\" FNPT","offer_id":54367597035795,"sku":"CSN-153","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/3141\/8387\/files\/brass-compression-female-adapters-tube-x-fnptf-threads-350-detail__61806.1744909563.jpg?v=1782923317","url":"https:\/\/aircompressorstore.com\/products\/brass-captive-sleeve-adapter-tube-od-female-npt","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}