B K/mueller Inds(import) 511-920HC Galvanized Hex Bushing

Product Description

The B K/MUELLER INDS(IMPORT) 511-920HC is a galvanized hex bushing used to reduce a 3/8-inch female pipe thread opening to a 1/8-inch male pipe thread connection. This fitting is a standard threaded reducer used in gas, water, and air piping systems to transition between two different pipe sizes. The hex body allows for wrench engagement during installation. Plumbers, pipefitters, and HVAC technicians regularly use hex bushings like this one when adapting gauges, valves, fittings, or other threaded components to existing pipe runs.

This hex bushing is suited for residential and light commercial applications where pipe size transitions are needed within a threaded piping system. Typical uses include adapting pressure gauges, drain plugs, or small-diameter fittings into larger threaded ports on manifolds, boilers, water heaters, and HVAC equipment. The galvanized finish provides corrosion resistance for use in damp or exposed environments.

Key Features

• Reduces 3/8-inch female pipe thread to 1/8-inch male pipe thread
• Hex body design allows standard wrench engagement for secure installation
• Galvanized finish resists corrosion in damp or mildly corrosive environments
• Sold in a package quantity of 35 units
• Standard threaded design compatible with NPT pipe systems

Compatibility

Designed as an OEM-style replacement and standard fitting for use in threaded NPT piping systems requiring a 3/8-inch to 1/8-inch pipe size reduction.

Installation Notes

Installation is performed by licensed plumbers or HVAC technicians following applicable IPC and IFGC code requirements. Shut off water or gas supply and relieve system pressure before installing or replacing any threaded fitting. Apply thread sealant or PTFE tape to the male threads before assembly. Do not over-tighten, as this may crack fittings or damage mating threads.