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Galvanized malleable iron hex bushing with tapered threads

Value Brand

Value Brand 3/8" MNPT x 1/8" FNPT Galvanized Hex Bushing

SKU CH-6FCF-0MG9E

Reduces a 3/8" male NPT thread to 1/8" female NPT in galvanized malleable iron Class 150

  • Galvanised malleable iron resists corrosion in plumbing systems
  • Class 150 rating handles standard water and air pressure
  • 3/8 in male to 1/8 in female NPT adapts pipe sizes
  • Hex profile allows secure tightening with a wrench
  • Proposition 65 notice flags chemical content for California buyers

Fitting for NPT thread reduction

This galvanised hex bushing connects a 3/8 in male NPT thread to a 1/8 in female NPT thread. It is made from malleable iron with a Class 150 pressure rating. The fitting suits plumbing and pneumatic systems that require a step-down in pipe size.

Replaces larger female ports

Use this bushing when a component has a 3/8 in female NPT opening but the mating part or hose uses a 1/8 in male NPT thread. The jump is worth it whenever a reducer is needed instead of replacing the whole assembly or using multiple adapters.

Limited to Class 150 NPT service

The malleable iron body and galvanised finish are rated for Class 150 service on standard NPT threads. It is not suitable for higher-pressure classes, different thread standards, or applications where the Proposition 65 listed chemicals are prohibited.

Highlights

  • Galvanised malleable iron resists corrosion in plumbing systems
  • Class 150 rating handles standard water and air pressure
  • 3/8 in male to 1/8 in female NPT adapts pipe sizes
  • Hex profile allows secure tightening with a wrench
  • Proposition 65 notice flags chemical content for California buyers

Specifications

BrandZORO SELECT

Questions about this item

What thread sizes must the mating parts have to fit this 3/8" MNPT x 1/8" FNPT galvanized hex bushing?

The male end uses 3/8" NPT with 18 threads per inch, and the female end uses 1/8" NPT with 27 threads per inch, so both connecting components must match those exact thread forms.

How do I install this Class 150 malleable-iron hex bushing without damaging the threads?

Apply PTFE tape or pipe dope to the male threads only, then tighten with a wrench on the hex flats until the joint feels snug; the step often missed is stopping before the iron galling point rather than forcing extra turns.

When should I plan to replace this galvanized bushing in a water system?

Inspect annually for white zinc corrosion or rust staining; if the galvanised coating is breached and the underlying malleable iron begins to corrode, replace the fitting to maintain the Class 150 pressure rating.

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