{"product_id":"parker-68hd-6-6-compression-tube-connector-3-8-in-brass","title":"Parker 68HD-6-6 Compression Tube Connector 3\/8 in Brass","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARKER 68HD-6-6 is a brass compression tube connector designed to join 3\/8-inch OD tubing to a male NPT threaded port. It provides a leak-resistant, mechanical connection without soldering or flaring. The compression-to-MNPT end configuration makes it a practical fitting for plumbing, HVAC, and fluid-handling systems where a reliable tube-to-pipe transition is needed. Rated to 1500 psi maximum working pressure, this connector handles demanding service conditions. The brass construction offers corrosion resistance and durability across a wide temperature range, from -65 degrees F to 249 degrees F. Licensed plumbers, HVAC technicians, and pipefitters typically install this type of fitting in both residential and light commercial applications.\u003c\/p\u003e\u003cp\u003eThis connector suits installations where copper or compatible OD tubing must terminate at a male NPT threaded fitting. Common applications include refrigeration lines, compressed air systems, hydraulic instrument lines, and process fluid connections. The compression end accepts 3\/8-inch OD tubing, while the MNPT end threads directly into a female-threaded port or valve body. It is suited for both new installations and service replacements where a solderless connection is preferred or required by job conditions.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCompression x MNPT end configuration for tubing-to-pipe transitions\u003c\/li\u003e\n\u003cli\u003eRated to 1500 psi maximum working pressure\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -65 degrees F to 249 degrees F\u003c\/li\u003e\n\u003cli\u003eBrass construction for corrosion resistance and long service life\u003c\/li\u003e\n\u003cli\u003eSolderless, tool-assisted compression connection — no flaring required\u003c\/li\u003e\n\u003cli\u003eCompact single-piece connector body\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 3\/8-inch OD tubing and standard male NPT threaded ports. Suitable for compression fittings applications in HVAC, plumbing, refrigeration, and fluid-handling systems where MPT thread standard connections are specified.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by a licensed plumber or HVAC technician. Shut off system pressure and depressurize the line before removing or installing compression fittings. Use two wrenches when tightening the MNPT end into a threaded port to avoid twisting downstream tubing. Do not overtighten the compression nut — follow the fitting manufacturer's guidelines for turns past finger-tight, and verify the connection is leak-free before returning the system to 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 Standard\u003c\/strong\u003e: MPT\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: 1500 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Temperature\u003c\/strong\u003e: -65 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e: 249 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.11 pounds\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: 68HD-6-6\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51540240105778,"sku":"68HD-6-6","price":18.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/61f11aeee9286e6b929d6493674b2722.jpg?v=1785849902","url":"https:\/\/voomisupply.com\/products\/parker-68hd-6-6-compression-tube-connector-3-8-in-brass","provider":"Voomi Supply","version":"1.0","type":"link"}