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Graco 113980 High Tensile Lock Nut

The Graco 113980 High-Tensile Lock Nut is a genuine OEM fastener designed for secure structural mounting in Graco striping machines and bracket assemblies.

  • Part Number: 113980
  • Specification: 5/8–11 thread, Grade 8 high-tensile steel
  • Used in RoadLazer Line Striping Systems and mounting kits
  • Resists loosening under vibration or heavy load
  • Ensures OEM reliability and correct fit

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Graco 113980 High-Tensile Lock Nut – Overview

The Graco 113980 Nut, Lock, High-Tensile is a genuine OEM component designed for heavy-duty structural applications. Its high-tensile strength ensures secure fastening and resistance to loosening under vibration or stress.

Compatible Machines

Machine / Assembly Usage Context
RoadLazer Line Striping Systems Used in frame and bracket mounting assemblies. Part 113980 ensures secure structural connections. ([graco.com](https://www.graco.com/content/dam/graco/tech_documents/manuals/308/308611/historic/308611EN-P.pdf?utm_source=chatgpt.com))
Hitch Receiver / Mounting Kits Secures cross-tube or bracket assemblies on compatible Graco machines. ([graco.com](https://www.graco.com/content/dam/graco/tech_documents/manuals/3A2/3A2091/3A2511ES.pdf?utm_source=chatgpt.com))

Key Features & Specifications

  • Part number: 113980, genuine Graco OEM lock nut
  • Specification: 5/8–11 thread, Grade 8 high-tensile steel
  • Designed for structural mounting in frames, brackets, and mounts
  • Resists loosening under vibration, heavy load, or stress
  • Compact, durable design for industrial striping and pump assemblies

Installation & Maintenance

When installing or replacing the 113980 lock nut:

  • Ensure the assembly is stable and any hydraulic or fluid systems are depressurized
  • Apply torque according to Graco specifications to prevent over-tightening or thread damage
  • Regularly inspect high-vibration assemblies to verify that nuts remain secure

Frequently Asked Questions

The 113980 High-Tensile Lock Nut has a 5/8–11 thread and is Grade 8 steel, designed for heavy-duty mounting. ([graco.com](https://www.graco.com/content/dam/graco/tech_documents/manuals/308/308611/historic/308611EN-P.pdf?utm_source=chatgpt.com))

It is used in Graco RoadLazer Line Striping Systems and various hitch receiver/mounting kits for frames and brackets. ([graco.com](https://www.graco.com/content/dam/graco/tech_documents/manuals/3A2/3A2091/3A2511ES.pdf?utm_source=chatgpt.com))

While a similar nut may physically fit, using the genuine Graco 113980 ensures correct Grade 8 strength, thread size, and locking performance, which is critical for high-stress applications.

113980 can be purchased from authorized Graco parts distributors and industrial parts suppliers. It ensures proper fit and OEM reliability. ([pittsburghsprayequip.com](https://pittsburghsprayequip.com/products/graco-113980-nut-lock-high-tensile?utm_source=chatgpt.com))

Why Use OEM High-Tensile Lock Nuts?

Using the genuine Graco 113980 High-Tensile Lock Nut guarantees optimal strength, correct fit, and reliable performance. It reduces the risk of loosening in high-vibration assemblies, maintaining safety and integrity in RoadLazer and other Graco mounting systems.

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