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The ASC Engineered Solutions 4305000110 is a black steel threaded hex bushing designed to reduce pipe connections from a 1/2 inch male thread to a 3/8 inch female thread. This type of fitting is a standard component in piping systems where a threaded size reduction is required without the use of a union or coupling. The hex profile allows for wrench engagement during installation, ensuring a secure, leak-free joint. At 0.09 pounds, it is a compact, heavy-duty fitting suited for gas, oil, and general-purpose piping applications across mechanical trades.
This bushing is commonly used in residential and light commercial piping systems where black steel fittings are specified. Typical applications include natural gas distribution lines, fuel oil piping, and compressed air systems. Licensed plumbers, pipefitters, and HVAC technicians install this type of fitting when connecting equipment with mismatched port sizes. The threaded hex bushing is a go-to solution for reducing branch or main lines without requiring additional fittings in the assembly.
Designed as an OEM-style replacement or new-installation fitting for black steel threaded piping systems requiring a 1/2 inch to 3/8 inch threaded reduction.
Installation should be performed by a licensed plumber, pipefitter, or HVAC technician in accordance with applicable local codes and IFGC requirements for gas piping systems. Shut off and depressurize the line before removing or installing any threaded fittings. Apply an approved pipe thread sealant or PTFE tape rated for the intended service medium. Inspect threads for damage before makeup and do not overtighten, as this can crack the fitting or damage mating threads.
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