

M18 lock washer designed to maintain secure tension on fasteners in Graco equipment, preventing loosening caused by vibration and continuous industrial operation.
| Equipment Type | Application Details |
|---|---|
| Graco Airless Paint Sprayers | Used in structural fastening points requiring 16Y279 lock washer support to prevent loosening. |
| Graco Industrial Spray Systems | Fits M18 bolt assemblies where vibration resistance and locking stability are required. |
| Graco Fluid Handling Equipment | Helps maintain tight fastener tension in high-pressure and continuous-duty applications. |
| Graco OEM Maintenance Kits | Included in service kits referencing 16Y279 locking washer components for rebuilds. |
The Graco 16Y279 Washer, Lock, M18 is a heavy-duty locking washer designed to prevent loosening of M18 fasteners in Graco equipment assemblies. It creates tension and friction at the joint, helping maintain secure fastening under vibration and mechanical stress.
Engineered for industrial reliability, this lock washer is commonly used in spray systems and fluid handling equipment where consistent clamping force and long-term fastening stability are essential.