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Graco 16E462 Industrial Coupler 3/8 MPT x 1/4 NPT

The Graco 16E462 Industrial Coupler provides a secure transition between 3/8" MPT and 1/4" NPT connections, making it ideal for mixed-thread fluid systems.

  • Part Number: 16E462
  • Thread Type: 3/8" MPT × 1/4" NPT
  • Industrial-grade steel construction
  • Fits any system using 3/8" MPT to 1/4" NPT adapters

$19.75
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Graco 16E462 Industrial Coupler – 3/8 MPT x 1/4 NPT Overview

Compatible Machines

This Graco 16E462 Industrial Coupler is a universal threaded adapter used across paint sprayers, texture sprayers, and industrial fluid-handling systems. It is not tied to a specific machine model and fits any equipment that uses a 3/8" MPT port transitioning to a 1/4" NPT component.

  • Any Graco sprayer or pump with a 3/8" MPT fluid port
  • Systems requiring transition to 1/4" NPT fittings or hoses
  • Airless paint sprayers with mixed-thread adapters
  • Industrial coating and lubrication units with 3/8" MPT to 1/4" NPT connections

Product Details

The Graco 16E462 Coupler is a durable industrial connector designed to join components using different thread sizes. It allows smooth, leak-free transition from 3/8" MPT to 1/4" NPT, commonly needed in paint sprayer assemblies, hose connections, and manifold setups.

Part Number 16E462
Thread Type 3/8" MPT × 1/4" NPT
Usage Thread adapter for fluid-handling systems
Application Paint sprayers, hoses, manifolds, industrial pumps
Material Industrial-grade steel construction

Key Features

  • Ensures secure and leak-resistant threaded connections
  • Useful for adapting different hose and port sizes
  • Suitable for high-pressure and industrial environments
  • Compatible with a wide range of Graco fluid systems

Frequently Asked Questions

These are two different male pipe thread sizes. The coupler connects a 3/8" MPT threaded port to a 1/4" NPT threaded component or hose.

It fits if your sprayer uses a 3/8" MPT threaded port and you need to connect a 1/4" NPT hose or fitting. Always verify the thread sizes on your equipment before ordering.

Thread sealant or PTFE tape is recommended for high-pressure systems to prevent leakage and ensure a secure connection.

Yes, the coupler is designed for industrial environments, including high-pressure paint sprayer systems, provided the thread sizes match.

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