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Graco 16X672 Fitting Female Socket 4000 PSI 3/8-Inch

A high-pressure 3/8-inch female quick-connect socket designed for secure and fast hose connections in spraying, pumping and pressure-wash systems up to 4000 PSI.

  • Rated for 4000 PSI
  • 3/8-inch female quick-connect
  • Fits high-pressure spray & pump systems
  • Supports commercial and industrial applications

$9.11
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Product Overview

The Graco 16X672 Female Socket 4000 PSI 3/8-Inch is a high-pressure female quick-connect socket designed for fluid delivery systems. It enables easy, secure, and rapid connection/disconnection of a 3/8-inch hose under pressures up to 4000 PSI (~276 bar), making it ideal for demanding pumping, spraying or pressure-wash applications.

Technical Specifications

Specification Details
Connection Type 3/8-inch female quick-connect socket
Maximum Pressure Rating 4000 PSI (~276 bar)
Compatible Hose Size 3/8-inch (inner diameter)
Use Case High-pressure fluid delivery, spray systems, pressure washers, pump rigs

Compatible Systems & Machine Types

While there is no publicly available list of exact model numbers, this fitting is compatible with virtually any system meeting the following criteria:

  • Equipment using a 3/8-inch hose with a matching quick-connect male coupling.
  • Fluid delivery or spray systems operating at or below 4000 PSI.
  • High-pressure spray rigs, pressure washers, or pump units from :contentReference[oaicite:0]{index=0} or other manufacturers that accept standard quick-connect fittings.
  • Industrial or commercial coating, painting, or cleaning systems requiring robust pressure-rated hose connections.

Frequently Asked Questions

This socket is designed for a 3/8-inch hose (inner diameter). Hoses with different diameters will not seat properly and may leak or fail under pressure.

The socket is rated for up to 4000 PSI (~276 bar). It should not be used in systems exceeding this pressure, as that could pose safety risks.

Yes — provided your equipment uses a compatible 3/8-inch male quick-connect coupling and does not exceed 4000 PSI. The socket follows a standard quick-connect interface common across many fluid-delivery systems.

Push the male quick-connect fitting firmly into the socket until you hear or feel a “click.” Confirm the connection by gently tugging the hose; a properly seated coupling should not pull out under light tension.

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