Graco ECLW.312 Washer, External Tooth Lock, 5/16 Zinc Finish
5/16-inch external tooth lock washer designed to prevent fastener loosening in high-vibration spray and fluid handling equipment.
- External tooth design improves fastening grip
- Zinc-plated finish resists corrosion
- Compatible with standard 5/16-inch bolts
- Used in Graco sprayers, pumps, and coating systems
- Supports secure motor and frame assemblies
Reliable Fastening Component for Industrial Sprayer Assemblies
Compatible Machines & Equipment
| Compatible Equipment | Application Area |
|---|---|
| Graco Airless Paint Sprayers | Fastener locking and vibration resistance |
| Graco Industrial Coating Systems | Mechanical component retention |
| Graco E-Flo Pump Assemblies | Secure hardware fastening |
| Graco Fluid Handling Equipment | Electrical grounding and locking support |
| Graco Spray Foam & Finishing Equipment | High-vibration connection stability |
| Industrial Pump & Motor Mounting Systems | Bolt retention and anti-loosening support |
What is the Graco ECLW.312 Washer?
The Graco ECLW.312 Washer, External Tooth Lock, 5/16 Zinc Finish is a precision fastening component designed to improve bolt retention and prevent loosening caused by vibration or repeated equipment movement. The external tooth lock design creates additional gripping force between the fastener and mounting surface, helping maintain secure mechanical connections in demanding industrial environments.
Manufactured with a durable zinc finish, the washer provides enhanced corrosion resistance for extended service life in paint spraying, coating, and fluid handling systems. Its 5/16-inch sizing makes it suitable for a wide range of Graco equipment assemblies and industrial fastening applications.
This external tooth lock washer is commonly used in pump mounts, motor assemblies, spray system frames, and fluid handling equipment where vibration resistance and secure fastening performance are essential for safe and reliable operation.
Key Features & Benefits
- External Tooth Lock Design – Improves grip and helps prevent fastener loosening.
- 5/16-Inch Size – Compatible with a wide range of industrial hardware assemblies.
- Zinc-Plated Finish – Resists corrosion and environmental wear.
- Vibration Resistance – Ideal for high-movement industrial equipment.
- OEM Graco Component – Designed for reliable fit and equipment compatibility.
- Durable Steel Construction – Supports long-term industrial use.
Technical Specifications
| Part Number | ECLW.312 |
|---|---|
| Component Type | External Tooth Lock Washer |
| Washer Size | 5/16 Inch |
| Finish | Zinc-Plated |
| Material | Industrial-Grade Steel |
| Primary Function | Fastener locking and vibration resistance |
| Application Type | Industrial spray and fluid handling systems |
| Installation Area | Bolted equipment assemblies and mounting points |
Frequently Asked Questions
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