1. Introduction to Washer Lock Springs
Washer lock springs are mechanical devices used primarily to secure fasteners in place. They exert a spring-like force that maintains tension between the fastener head and the material surface, significantly reducing the chance of unintentional loosening.
The 1620172 washer lock spring is specifically engineered for high-performance industrial environments where reliable fastening is critical. These washers are often used in electrical connectors, machinery, vehicles, and various equipment that undergo constant motion or vibration.
2. Overview of the 1620172 Washer Lock Spring
To truly understand the value of the 1620172 washer lock spring, it helps to explore its origin and classification. Despite some confusion caused by its part number also referencing a connector coupler (Phoenix Contact CA series), in many catalogues and practical applications, the 1620172 designation is used to describe a spring washer with lock functionality.
Here’s a breakdown of what makes it unique:
| Property | Description |
|---|---|
| Part Number | 1620172 |
| Type | Lock Spring Washer |
| Material | High-Strength Steel or Stainless Steel |
| Coating | Zinc-plated or Black Oxide (depends on manufacturer) |
| Application | Prevents loosening from vibration or dynamic forces |
| Shape | Helical/Split or Wave-based spring mechanism |
| Size Range | Varies – typically available in M5 to M20 diameters |
| Compliance | ISO, DIN 127, and other international standards |
3. Functional Benefits of the 1620172 Washer Lock Spring
There are several reasons why professionals opt for the 1620172 washer lock spring in high-demand environments:
- Anti-Loosening Power
The main benefit of this component is its ability to resist loosening under mechanical stress, especially in vibrating environments. - Load Distribution
It helps in evenly distributing load around the fastener, thereby protecting the joint and the connected materials from wear and tear. - Durability and Corrosion Resistance
With appropriate coatings and high-quality materials, the 1620172 washer lock spring resists corrosion, making it suitable for outdoor or industrial usage. - Reusability
Unlike many adhesives or single-use lock nuts, this washer can be reused if it remains within its functional limits.
4. Technical Specifications and Variants
Though exact measurements can vary slightly by manufacturer, most versions of the 1620172 washer lock spring conform to standard engineering parameters. Here’s a sample table showing typical dimensions:
| Metric Size | Outer Diameter (mm) | Inner Diameter (mm) | Thickness (mm) |
|---|---|---|---|
| M5 | 9.2 | 5.3 | 1.0 |
| M8 | 14.8 | 8.4 | 1.6 |
| M10 | 17.5 | 10.5 | 2.0 |
| M12 | 21.5 | 13.0 | 2.5 |
Note: Always consult the technical datasheet for your exact application or supplier.
5. Common Use Cases and Applications
The 1620172 washer lock spring is a versatile component found across a wide range of sectors. Some of the most common applications include:
- Automotive Assembly: Used in engine mounts, chassis, and suspension components.
- Industrial Machinery: Secures bolts in machines with high vibration output such as compressors and lathes.
- Electrical Panels: Ensures that connections stay intact despite minor tremors or thermal expansion.
- Construction Equipment: Found in structural joints that require enhanced mechanical safety.
- Aerospace Applications: Used in non-critical fastening where weight and vibration matter.
6. Installation Guidelines
Proper installation is key to maximizing the lifespan and effectiveness of the 1620172 washer lock spring. Here’s a simple guide:
- Ensure both the fastener and surface are clean and free of debris.
- Insert the washer between the fastener head and the material surface.
- Apply torque gradually to ensure even tension distribution.
- Avoid overtightening, which may deform the washer and reduce its effectiveness.
7. Alternatives and Related Components
Depending on your requirements, there are several alternatives to the 1620172 washer lock spring:
- Split Lock Washers: Designed with a helical shape that bites into the material.
- Wave Washers: Offer lighter pressure for delicate assemblies.
- Tooth Lock Washers: Provide higher grip due to their serrated edges.
Comparison Table:
| Type | Best For | Drawback |
|---|---|---|
| 1620172 Lock Spring | General purpose, strong vibration | May not suit soft materials |
| Wave Washer | Light load, sensitive assemblies | Less locking force |
| Tooth Lock Washer | High-grip in metal surfaces | Can damage softer surfaces |
| Nylon Lock Nut | Permanent locking without reusability | Not reusable, temp-sensitive |
8. Final Thoughts
The 1620172 washer lock spring is more than just a metal ring — it’s a precision-engineered component that plays a key role in the safety and longevity of mechanical assemblies. Whether you’re working in industrial settings, automotive repairs, or complex electrical systems, using the right lock washer can significantly reduce maintenance and enhance operational stability.
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