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Graco 114987 Lock Nut

The Graco 114987 Lock Nut is a vibration-resistant OEM nut used to securely fasten moving parts in Graco line striping and spray systems.

  • Prevents loosening under vibration
  • OEM-grade durability and fit
  • Pairs with 114986 Shoulder Bolt
  • Used in RoadPak & LineLazer assemblies

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About the Graco 114987 Lock Nut

The Graco 114987 Lock Nut is a vibration-resistant fastening nut designed for secure assembly of moving and high-vibration components in Graco line striping and spray systems.

Compatible Machines

  • Graco RoadPak Line Striping System
  • Graco LineLazer Series (Selected Models)
  • Graco Road-Marking & High-Vibration Assemblies
  • Assemblies using the 114986 Shoulder Bolt + Lock Nut combination

Product Details

Part Number 114987
Part Type Lock Nut
Primary Function Prevents loosening under vibration or repetitive movement
Used In Striping systems, support frames, pivoting assemblies
Fitment Notes Commonly paired with Graco 114986 Shoulder Bolt in pivot assemblies

Key Features

  • Vibration-resistant locking design
  • Ideal for moving mechanical assemblies
  • OEM-grade durability and long-term reliability
  • Ensures secure fastening in road-marking equipment

Frequently Asked Questions

The lock nut prevents loosening due to vibration and movement, ensuring secure assembly in Graco equipment that experiences constant motion.

Yes. The 114987 Lock Nut is commonly paired with the 114986 Shoulder Bolt in pivoting or alignment-critical assemblies.

It may fit if the thread specifications match, but it is engineered specifically for Graco OEM assemblies to ensure proper vibration resistance and longevity.

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