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The MIDLAND INDUSTRIES 00068-1008 is a brass adapter fitting designed to connect a 5/8 inches compression fitting to a 1/2 inches male NPTF (National Pipe Taper Fuel) thread. This adapter is a practical solution for HVAC technicians, plumbers, and pipefitters who need to transition between compression and threaded pipe connections in a single fitting. Brass construction gives this adapter excellent corrosion resistance, durability, and reliable sealing performance across a wide range of applications. It is compatible with copper, aluminum, and thermoplastic tubing, making it a versatile choice for both new installations and repair work. The fitting measures 1.12 inches from center to end and weighs 0.139 pounds, so it is compact and lightweight without sacrificing strength. With a pressure rating of 150 psi and a temperature rating of -65 to 250 degrees F, this adapter handles demanding conditions found in refrigeration lines, fuel systems, water supply lines, and general plumbing systems. The 13/16-18 compression thread pairs with a 1/2-14 male NPTF thread, and the 0.81 inches hex size allows for easy installation with standard hand tools. NPTF threads are designed for pressure-tight connections without the need for additional sealing compounds, though thread sealant is commonly used in high-pressure or fuel applications as an added precaution. Trade professionals rely on this type of brass compression-to-MNPT adapter when working with refrigerant lines, natural gas systems, propane fittings, hydraulic systems, and industrial plumbing connections. The combination of compression and male NPTF ends makes this fitting a reliable transition piece in both residential and light commercial service.
The MIDLAND INDUSTRIES 00068-1008 brass compression-to-MNPT adapter delivers a reliable, pressure-rated transition between compression tubing and male NPTF threaded connections. It is compatible with copper, aluminum, and thermoplastic tubing for broad application coverage.
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