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The ASC Engineered Solutions 319905527 is a galvanized steel threaded hex bushing designed to reduce pipe thread connections from a larger to a smaller diameter. With a 1/2-inch male NPT end and a 1/4-inch female NPT end, this fitting allows plumbers, pipefitters, and HVAC technicians to transition between two common pipe sizes within a threaded piping system. The galvanized steel construction provides corrosion resistance for use in water, air, and other general-service piping applications. At 0.09 pounds, it is a compact, durable fitting suited for both residential and light commercial work.
This hex bushing is used wherever a threaded 1/2-inch line must be reduced to a 1/4-inch branch connection. Typical applications include plumbing supply lines, compressed air systems, HVAC refrigerant service ports, and general industrial piping assemblies. The hex profile allows standard wrench engagement for leak-free makeup without specialty tooling.
Designed as an OEM-style replacement or standard service fitting for threaded pipe systems requiring a 1/2-inch to 1/4-inch NPT reduction in galvanized steel.
Installation is performed by licensed plumbers or qualified HVAC and pipefitting technicians in accordance with applicable codes such as the IPC or IFGC. Shut off and depressurize the system completely before removing or installing any threaded fittings. Apply an approved thread sealant or PTFE tape to male threads before makeup. Do not over-tighten; hand-tighten first, then wrench-tighten to a leak-free seal without stressing the fitting.
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