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Brass pin-lug fire-hose adapter, NPT male to NST female, rigid coupling

Value Brand

Value Brand 6AKE4 Pin Lug Coupling 1-1/2 In x 3/4 In

SKU CH-7EG4-CZXVG

Brass pin-lug adapter joins 1-1/2 inch NST female to 3/4 inch NPT male for fire-hose connections

  • Connects 1-1/2 inch NST female to 3/4 inch NPT male threads
  • Pin lug design allows quick hand tightening without tools
  • Brass construction resists corrosion in water and fire applications
  • Rigid fitting maintains alignment under pressure
  • California Proposition 65 warning for chemical content

Brass Pin-Lug Adapter

This brass fitting connects a 1-1/2 inch NST female hose thread to a 3/4 inch NPT male pipe thread. The pin-lug design allows hand tightening without tools for quick deployment. It is built for fire-hose and industrial water-supply applications where a secure, rigid joint is required. The all-brass construction resists corrosion in wet environments.

Build Integration

The adapter bridges dissimilar thread standards so existing hose and pipe components can mate directly. Its rigid body prevents movement that could loosen the connection under pressure. No gaskets or sealant are mentioned in the specifications, so the installer must verify sealing requirements for the specific system. The coupling frees the user from sourcing separate reducer bushings and thread converters.

Upgrade Context

This part replaces makeshift assemblies that combine multiple fittings to achieve the same NST-to-NPT transition. The jump is worth it when a single, purpose-made coupling reduces potential leak paths and cuts installation time. It is not suited for systems that require a swivel connection or for pipe sizes other than the listed 3/4 inch and 1-1/2 inch dimensions.

Highlights

  • Connects 1-1/2 inch NST female to 3/4 inch NPT male threads
  • Pin lug design allows quick hand tightening without tools
  • Brass construction resists corrosion in water and fire applications
  • Rigid fitting maintains alignment under pressure
  • California Proposition 65 warning for chemical content

Specifications

BrandZORO SELECT

Questions about this item

What thread standard limits the adapter's compatibility with existing hose or pipe systems?

The fitting uses NPT on the male side and NST on the female side, so it only connects to matching NPT and NST threads.

Does the brass construction create any thermal or handling concerns during continuous water flow?

Brass conducts heat readily, so the adapter will match the fluid temperature; wear gloves if the line carries hot water.

Which thread-sealing method must the installer supply to make the NPT joint leak-free?

The NPT male thread requires PTFE tape or pipe dope, which are not included, to seal properly.

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