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The MIDLAND INDUSTRIES 10463SS is a SAE 45-degree flare reducer fitting used to transition from a 3/8-inch male flared connection to a 1/4-inch female flared connection. Constructed from stainless steel, this fitting provides corrosion resistance in demanding service environments. The hex measures 0.62 inches across and the overall length is 1.12 inches, making it a compact, inline reducer suited for tight installations. It follows SAE 45-degree flare geometry, which creates a metal-to-metal seat for a leak-resistant connection without the need for thread sealant. Plumbers, HVAC technicians, and refrigeration mechanics install this type of fitting when reducing line size within a flared tubing system.
This fitting is appropriate for residential and light commercial applications involving copper or compatible tubing in gas, refrigeration, or fluid lines where SAE 45-degree flare connections are specified. It is commonly installed during new construction, system modifications, or service repairs that require a size reduction between flared tubing segments. The stainless steel construction makes it suitable for environments where brass fittings may be subject to corrosion or where stainless is required by specification.
Designed as an OEM-style replacement or service fitting for systems using SAE 45-degree flare connections with 3/8-inch and 1/4-inch tubing sizes.
Installation should be performed by a licensed plumber, HVAC technician, or refrigeration mechanic familiar with flare fitting assembly. Shut off and depressurize the line before disassembling any flare connection. Use two wrenches when tightening flare fittings to prevent twisting the tubing. Inspect the flare seat on the tubing for deformation or debris before making up the connection.
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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