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Graco 15A983 Nipple Fitting

The Graco 15A983 Nipple Fitting is a stainless-steel adapter designed for reliable 1/4 BSPP to 1/4 NPT thread conversion in air inlet applications.

  • Strong stainless-steel build for durability
  • 1/4 BSPP (male) → 1/4 NPT (male) conversion
  • Provides tight, leak-resistant connections
  • Commonly used on Graco surge tank air ports

$54.35
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Graco 15A983 Nipple Fitting – Product Details & Compatibility

Compatible Machines

The following machine is officially listed as compatible with the Graco 15A983 Nipple Fitting:

  • Graco Surge Tank Model 233736 (Tee-Config Medium Volume)

This fitting is used on the air inlet port of the above surge tank to convert 1/4 BSPP threads to 1/4 NPT.

Product Overview

The Graco 15A983 Nipple Fitting is a precision stainless-steel adapter designed for industrial fluid and air handling applications. Its primary function is to convert between different thread standards while maintaining strength, corrosion resistance, and leak-free performance in high-demand systems.

Key Features

  • Thread conversion: 1/4 BSPP (male) to 1/4 NPT (male)
  • Durable stainless-steel construction
  • Machined for accurate thread engagement
  • Used in air inlet applications for surge tanks
  • Suitable for demanding industrial spraying and pressure systems

Technical Specifications

Thread Type 1/4 BSPP (male) → 1/4 NPT (male)
Material Stainless Steel
Primary Use Air inlet thread conversion on Graco surge tanks
Installation Area Air inlet port (surge tank model 233736)

Usage Notes

  • Designed to convert the air port threads of Graco surge tanks from BSPP to NPT.
  • Apply thread sealant or PTFE tape to ensure leak-free installation.
  • Confirm pressure ratings of connected components before use.
  • Verify tightening torque according to equipment standards.

Frequently Asked Questions

The fitting is used on Graco surge tanks rated up to 360 psi. While the fitting itself is stainless steel, always follow the lowest pressure rating in the connected system.

It may fit other units that use 1/4 BSPP and 1/4 NPT connections, but only surge tank model 233736 is officially specified. Always confirm compatibility using your equipment manual.

Yes, as long as the system uses compatible thread types and pressure ratings. Ensure proper sealing and verify that stainless steel is suitable for your application.

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