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Graco 15E539 Fitting 1/4 NPSM x 1/8 NPT

The Graco 15E539 Fitting 1/4 NPSM × 1/8 NPT adapts mismatched thread standards to provide secure, leak-free connections in fluid systems.

  • Thread adapter for mismatched fittings
  • Durable metal construction
  • High-pressure fluid compatibility
  • Compact, OEM-grade installation

$26.59
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Graco 15E539 Fitting 1/4 NPSM × 1/8 NPT

The Graco 15E539 Fitting 1/4 NPSM × 1/8 NPT is a precision-threaded adapter fitting designed to connect components or hoses with differing thread standards — ensuring proper sealing and compatibility in fluid systems.

Compatible Machines

  • Sprayer and pump systems requiring thread conversion or adaptation
  • Fluid delivery rigs with mixed thread standards
  • Maintenance setups needing reliable adapters for hoses or accessories

Specifications

Part Number 15E539
Component Type Thread Adapter Fitting (1/4 NPSM → 1/8 NPT)
Thread Types 1/4 inch NPSM (male/female) to 1/8 inch NPT
Material Metal alloy (OEM standard)
Function Adapts different thread standards and maintains secure fluid connection

Key Features

  • Allows seamless connection between mismatched-thread components
  • Durable metal construction for high-pressure fluid systems
  • OEM adapter ensures compatibility and leak-free sealing
  • Compact design ideal for tight or compact assemblies

Typical Use Cases

Used when connecting components with different thread standards — such as hoses, valves, or accessories — ensuring fluid integrity and simplifying maintenance or upgrades.

Frequently Asked Questions

Yes — when properly sealed and tightened, the adapter handles fluid pressures typical in spray and pump systems.
Yes — designed to ensure a tight, leak-free connection between NPSM and NPT threaded components when correctly installed.
Absolutely — ensure the receiving component matches the specified thread (1/4 NPSM or 1/8 NPT) before installation to avoid leaks or damage.

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