High-strength flat washer engineered to distribute load evenly and improve fastening stability in Graco equipment assemblies under heavy vibration.
| Machine Model | Equipment Type | Compatibility Details |
|---|---|---|
| Graco LineLazer 3400 | Line Striping System | Provides load distribution in frame and pump assemblies |
| Graco LineLazer 3900 | Line Striping System | Supports bolt tension and vibration resistance |
| Graco LineLazer 5900 | High-Performance Striper | Ensures secure fastening under heavy operational loads |
| Graco LineLazer 200HS | High-Output Striping Equipment | Maintains structural stability in critical assemblies |
The Graco 18B490 Washer, Flat Finish Grade 9 .375" is a high-strength OEM flat washer designed to distribute load evenly and enhance fastening stability within compatible Graco equipment assemblies.
Manufactured to Grade 9 specifications, this washer helps reduce surface stress, prevent bolt loosening, and improve the durability of connected components under vibration and heavy-duty operational conditions.
Built to Graco OEM standards, it ensures precise fitment, corrosion resistance, and long-term reliability in professional line striping and surface preparation equipment.
Flat washers play a critical role in preventing fastener damage and ensuring even load distribution across mechanical joints. Without proper washers, bolts may loosen or cause surface deformation over time.
Using OEM-grade washers improves fastening reliability, extends component lifespan, and maintains structural integrity in high-vibration industrial equipment.
