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Graco 301139 Woodruff Key 3/16 x 5/8

The Graco 301139 Woodruff Key 3/16 x 5/8 is designed to secure rotating parts onto shafts, ensuring proper torque transfer and preventing slippage in your equipment.

  • Precision half-moon key for reliable alignment
  • Fits pump drives, motor shafts, and gears
  • Made of durable hardened steel
  • Compatible with various Graco sprayers and pumps

$4.41
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Graco 301139 Woodruff Key Overview

The Graco 301139 Woodruff Key 3/16 x 5/8 is a precision half-moon key used to lock rotating components like gears or pulleys onto a shaft, ensuring smooth torque transfer and reliable operation. This key is essential for maintaining proper alignment and preventing slippage in your equipment.

Compatible Machines

  • Graco Ultra Max II 695 – Pump drives and motor shafts
  • Graco Ultra Max II 495 – Motor coupling and gear assembly
  • Graco ProSeries 395 – Drive and pump mechanisms
  • Graco Mark V 390 PC – Used in pump shaft alignment
  • Graco Magnum 262800 – Small component shaft connections

Technical Specifications

Part Number 301139
Type Woodruff Key
Dimensions 3/16" x 5/8"
Material Hardened Steel

Frequently Asked Questions

A Woodruff Key secures rotating parts like gears or pulleys to a shaft, ensuring torque is transferred properly and preventing slippage.

The key fits specific models with a 3/16" x 5/8" keyway. Always verify your machine’s parts diagram to ensure compatibility.

It is made of hardened steel to ensure durability and precise fit in the shaft keyway.

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