{"product_id":"parker-68c-6-6-compression-tube-connector-brass-3-8-18","title":"Parker 68C-6-6 Compression Tube Connector Brass 3\/8-18","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARKER 68C-6-6 is a brass compression tube connector designed to create a leak-tight transition between a compression tube end and a male NPT threaded port. Built to SAE J-512 standards, this fitting handles working pressures up to 200 psi and performs across a temperature range of -65 degrees F to 250 degrees F. The body is machined from brass for corrosion resistance and reliable seating on both the compression and threaded ends. Licensed plumbers, HVAC technicians, and fluid system mechanics install this type of fitting in pneumatic, hydraulic, and refrigeration line assemblies where a secure tube-to-pipe transition is required.\u003c\/p\u003e\u003cp\u003eThis connector is suited for residential and light commercial applications involving tubing runs that terminate at NPT-ported equipment or manifolds. The 3\/8-18 NPTF thread engages standard male NPT ports, while the compression end accepts 3\/8-inch outside diameter tubing. Typical use cases include instrument lines, fuel lines, refrigerant-adjacent fluid circuits, and control system tubing where a reusable, wrench-assembled connection is preferred over flare or solder joints.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSAE J-512 compliant construction for consistent dimensional and performance standards\u003c\/li\u003e\n\u003cli\u003eBrass material provides corrosion resistance suitable for a wide range of fluids\u003c\/li\u003e\n\u003cli\u003eCompression x MNPT end configuration enables direct tube-to-pipe transitions without adapters\u003c\/li\u003e\n\u003cli\u003eRated to 200 psi maximum working pressure\u003c\/li\u003e\n\u003cli\u003eWide service temperature range: -65 degrees F to 250 degrees F\u003c\/li\u003e\n\u003cli\u003e3\/8-18 NPTF thread standard for positive thread engagement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-installation fitting for systems using 3\/8-inch OD tubing with a male NPT threaded port connection conforming to SAE J-512 standards.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified plumber, HVAC technician, or pipefitter familiar with compression fitting assembly procedures. Depressurize and drain the system completely before disassembling or installing any fittings. Ensure the tube end is cut square, deburred, and free of scoring before inserting into the compression end. NPTF threads are designed for metal-to-metal sealing, but consult applicable codes such as the IPC or IFGC when determining thread sealant requirements for the specific fluid service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connections\u003c\/strong\u003e: Compression x MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: NPTF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Outside Diameter\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 200 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e: 250 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Temperature\u003c\/strong\u003e: -65 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE J-512\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27121700\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PARKER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 68C-6-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51541991162162,"sku":"68C-6-6","price":35.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fb25ab1ddb954f29130e00f019ccb202.jpg?v=1785889114","url":"https:\/\/voomisupply.com\/products\/parker-68c-6-6-compression-tube-connector-brass-3-8-18","provider":"Voomi Supply","version":"1.0","type":"link"}