{"product_id":"midland-brass-captive-sleeve-compression-union-fitting","title":"Midland Brass Captive Sleeve Compression Union Fitting","description":"\u003cp\u003eThe Midland brass captive sleeve compression union joins two tube ends into a leak-tight, permanent-feeling connection without soldering or flaring. Its three-piece design — body, captive sleeve, and nut, with the sleeve retained inside the nut — makes assembly fast and repeatable in the field, and the all-brass construction resists corrosion in air, oil, water, and vacuum service.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: Captive sleeve compression union (tube-to-tube)\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003cli\u003eConnection: Compression on both ends; captive sleeve retained in nut\u003c\/li\u003e\n\u003cli\u003eTube OD sizes: 1\/8\", 3\/16\", 1\/4\", 5\/16\", 3\/8\", 1\/2\", 5\/8\", plus a 3\/8\" x 1\/4\" reducing union\u003c\/li\u003e\n\u003cli\u003eTemperature range: -65°F to +250°F\u003c\/li\u003e\n\u003cli\u003eMedia: Compressed air, oil, water, and vacuum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eUsed throughout pneumatic, lubrication, and instrumentation systems to join lengths of copper, brass, or aluminum tubing — including air lines, oil and grease delivery lines, coolant and water lines, and control tubing on compressors and machinery.\u003c\/p\u003e\n\u003cp\u003eChoose your tube outside diameter from the options above. The Midland brass captive sleeve compression union delivers a reliable, reusable tube connection for low-pressure air, oil, and water lines, with a corrosion-resistant brass body built for long service.\u003c\/p\u003e","brand":"Midland Metal","offers":[{"title":"1\/8\"","offer_id":54367606636819,"sku":"CSN-062","price":6.0,"currency_code":"USD","in_stock":true},{"title":"3\/16\"","offer_id":54367606669587,"sku":"CSN-063","price":6.0,"currency_code":"USD","in_stock":true},{"title":"1\/4\"","offer_id":54367606702355,"sku":"CSN-064","price":4.0,"currency_code":"USD","in_stock":true},{"title":"5\/16\"","offer_id":54367606735123,"sku":"CSN-065","price":6.0,"currency_code":"USD","in_stock":true},{"title":"3\/8\"","offer_id":54367606767891,"sku":"CSN-066","price":5.0,"currency_code":"USD","in_stock":true},{"title":"1\/2\"","offer_id":54367606800659,"sku":"CSN-068","price":11.0,"currency_code":"USD","in_stock":true},{"title":"5\/8\"","offer_id":54367606833427,"sku":"CSN-069","price":12.0,"currency_code":"USD","in_stock":true},{"title":"3\/8\" x 1\/4\" (Reducing)","offer_id":54367606866195,"sku":"CSN-079","price":8.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorstore.com\/products\/midland-brass-captive-sleeve-compression-union-fitting","provider":"Warthog Air Compressor Store","version":"1.0","type":"link"}