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The MSI PRODUCTS INC A324001608 is a Class 150 hex bushing machined from 316 stainless steel, designed to reduce pipe size within threaded piping systems. The larger end carries male NPT threads and the smaller end carries female NPT threads, creating a secure, leak-resistant transition between pipe sizes. The hex body profile accepts standard wrenches for controlled installation and removal, which matters in compact or restricted-access installations. With its 316 stainless alloy construction, this bushing delivers strong resistance to corrosion, chlorides, acids, and aggressive chemicals, making it well suited for demanding service environments.
This bushing sees frequent use in marine plumbing, chemical processing lines, pharmaceutical piping, and sanitary systems where corrosion resistance and material compatibility are critical. It is appropriate for both new construction and retrofit work wherever a threaded pipe reduction from 1 inch to 1/2 inch is required. Licensed plumbers and pipefitters are the primary installers in commercial and industrial settings, though it is also used in residential marine and specialty plumbing applications.
Designed as an OEM-style threaded pipe fitting for use in 1 inch to 1/2 inch NPT threaded piping systems constructed with Schedule 40 or compatible pipe in 316 stainless steel or mixed-metal systems where stainless fittings are specified.
Installation is performed by a licensed plumber or pipefitter in accordance with applicable IPC or local plumbing codes. Depressurize and drain the piping system fully before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape rated for the service fluid to the male NPT threads before assembly. Do not over-tighten, as excessive torque can crack or gall stainless steel threads.
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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