Graco 117632 Square Key 3/16 x 1-1/4 Inch

Graco 117632 Square Key – Compatibility, Features & Technical Details

Compatible Machines

• Graco Mark V
• Graco Ultra Max II 695 / 795 / 1095
• Graco GMAX II 3900 / 5900
• Graco RTX 1500

Product Overview

The Graco 117632 Square Key (3/16" x 1-1/4") is a precision-engineered alignment component used in Graco airless sprayers for secure torque transmission between shafts and couplings. It ensures accurate rotational engagement, superior durability, and consistent performance under high-pressure applications.

Key Specifications

Performance Features

• Ensures precise torque transmission in high-pressure systems.
• Maintains alignment and rotational accuracy in pump assemblies.
• Resists wear, fatigue, and corrosion for extended service life.
• Supports consistent pump efficiency under variable flow conditions.
• Engineered to DIN 6885 standards for dimensional reliability.

Installation & Maintenance Tips

• Clean keyway and shaft bore before installation.
• Apply anti-seize compound to reduce fretting and corrosion.
• Inspect for wear every 1,000 operational hours or during pump rebuilds.
• Replace immediately if visible deformation or pitting occurs.

Frequently Asked Questions