Graco 112979 Spring Pin – Specifications & Compatibility Guide
Compatible Machines
The Graco 112979 Spring Pin is used across select Graco pump and sprayer assemblies that require this specific retaining pin. Because exact model listings are not publicly documented, compatibility must be verified through your equipment’s parts manual.
- Graco sprayers listing 112979 Spring Pin in their parts diagram
- Graco pump assemblies requiring internal spring pins for component retention
- Units using OEM spring pins in fluid section or mechanical linkages
Product Overview
The 112979 Pin, Spring is a precision-engineered OEM retaining pin used to secure internal components within Graco spray systems and pumps. Designed to provide strong, vibration-resistant retention, it plays a critical role in maintaining mechanical stability and alignment inside the machine’s assembly.
Key Features
- Durable OEM spring pin for secure component retention
- Commonly used in structural or internal linkage points
- Supports proper mechanical function inside pumps and sprayers
- Ensures correct alignment in compatible assemblies
Technical Information
| Part Number | 112979 |
| Component Type | Spring Pin / Retaining Pin |
| Primary Function | Secures internal components and prevents movement |
| Common Application | Graco sprayers & pump internal assemblies |
Frequently Asked Questions
It holds internal components in place within Graco sprayers or pumps, providing strong mechanical retention and reducing component shift during operation.
Check your Graco model’s parts diagram. If part 112979 appears in the component list or exploded view, it is the correct replacement.
It’s not recommended. OEM specifications ensure proper diameter, compression, and retention strength. Non-OEM pins may cause misalignment or component failures.
