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Parker - Industrial Pipe Adapter: 3/4″ Female Thread, 1-5/16-12 Male Thread, Male Straight Thread O-Ring x Female NPTF - 72517931 - MSC Industrial Supply
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Amazon.com: R410A Adapter 5/16" SAE Female Quick Couplers to 1/4" SAE Male Flare, 2 PC 45 Degree Angled Charging Vacuum Adapter, Used for R410a with Thimble Mini Split System, HVAC and Refrigeration
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Apex® A-110 Socket and Ratchet Wrench Adapter, Imperial, Hex x Square Drive, 5/16 x 1/4 in Male Drive, Male x Male Adapter, Specifications Met: ASME B107.113, High Carbon Alloy Steel
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1/4 turn 5/16 conversion head adapter all copper r410 reducer with valve core air conditioning refilling connector - AliExpress
![LTWFITTING 5/16 in. O.D. Comp x 1/4 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685405 - The Home Depot LTWFITTING 5/16 in. O.D. Comp x 1/4 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685405 - The Home Depot](https://images.thdstatic.com/productImages/c7e34fb1-7aa8-45f1-95af-02640c99f071/svn/brass-ltwfitting-brass-fittings-hf685405-64_600.jpg)
LTWFITTING 5/16 in. O.D. Comp x 1/4 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685405 - The Home Depot
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