Graco 555630 Washer, 5/16 External Tooth Lock
$6.80
Available to Order
External tooth lock washer designed to provide secure fastening and prevent loosening in compatible Graco equipment assemblies.
- Size: 5/16 inch
- External tooth design for improved grip
- Helps maintain fastener stability during operation
- Compatible with selected Graco spray equipment parts
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Locking Washer Component for Secure Graco Equipment Assembly
Compatible Machines
- Graco airless paint sprayers
- Graco spray equipment assemblies using 5/16-inch locking washers
- Compatible Graco pump, frame, and accessory components requiring external tooth lock washers
Graco 555630 Washer, 5/16 External Tooth Lock is a replacement locking washer designed to secure compatible Graco equipment fasteners. Its external tooth design improves grip and helps prevent loosening caused by vibration during operation.
Product Features
- Size: 5/16-inch washer specification
- Design: External tooth lock style for enhanced fastening security
- Function: Helps resist fastener movement and vibration loosening
- Application: Replacement hardware for compatible Graco equipment assemblies
Frequently Asked Questions
The washer is used with compatible Graco fasteners to provide a secure connection and reduce the chance of loosening during equipment operation.
An external tooth lock washer uses teeth around its outer edge to grip surfaces and help prevent fasteners from backing out due to vibration.
Replace the washer if the teeth are worn, the washer is deformed, corroded, or it no longer provides proper locking pressure.
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