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Graco 110005 Hex Jam Nut

Graco 110005 Hex Jam Nut is a durable fine-thread locking nut used to secure fittings and components in Graco spray systems and pumps.

  • Thread size: 5/16"–24 UNF
  • Fits G15, G40 & 360 DSP series
  • High-pressure rated up to 4350 PSI
  • Made from hardened steel for long life

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Graco 110005 Hex Jam Nut – Precision Fitting for Professional Spray Systems

Compatible Machines

  • Graco G15 Spray Gun
  • Graco G40 Spray Gun
  • Graco 360 DSP Series
  • Various Graco pump housings, manifold blocks, and valve assemblies

Product Overview

Graco 110005 Hex Jam Nut is a precision-engineered component designed for high-pressure pump assemblies and spray systems. Built from hardened steel with a fine 5/16”-24 UNF thread, it ensures secure connections, vibration resistance, and long-lasting sealing integrity in fluid handling setups.

Specification Details
Part Number 110005
Thread Size 5/16"–24 UNF
Material Hardened Steel / Zinc-Nickel Plated Alloy
Function Secures and locks fittings in high-pressure systems
Torque Range 12–15 Nm (Final Tightening)
Pressure Rating Up to 4350 PSI (300 Bar)

Key Features

  • Fine-thread design for precise engagement
  • Resists loosening under vibration and pressure changes
  • Durable construction ensures long service life
  • Easy to install and maintain
  • Ideal for airless sprayer and high-pressure applications

Installation & Maintenance

Install the Graco 110005 Jam Nut using standard torque tools to 12–15 Nm. Regular inspection every 500 hours of use is recommended to maintain optimal sealing and prevent corrosion or thread wear.

Frequently Asked Questions

The thread size is 5/16"–24 UNF, ideal for fine adjustments and secure locking in spray equipment.

It’s made from hardened steel or zinc-nickel plated alloy steel, offering excellent corrosion resistance and durability.

The Graco 110005 Hex Jam Nut is compatible with several Graco spray systems, including the G15, G40, and 360 DSP series, among others using 5/16"-24 UNF fittings.

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