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The Parker 640F-6 Cap Nut is designed for use with 45 degree flare fittings. This cap nut meets the requirements of SAE standards J512 and J513, ensuring reliable performance in various applications. It is suitable for use with copper, brass, aluminum, or steel tubing that can be flared to 45 degrees.
This product is ideal for fluid connections in both residential and industrial settings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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