Correct option is D
Tab washers are used to lock nuts and prevent them from loosening due to vibration or rotational forces. They have tabs or lugs that can be bent against the nut or another component to secure the assembly, ensuring the nut remains in place under dynamic conditions.
These are thin metal washers designed with two or more tabs which project from the external diameter.
Made of materials like stainless steel or spring steel for durability.
Applications:
· Used in automotive, aerospace, and industrial assemblies.
· Common in applications requiring secure connections in vibrating or rotating systems.
Advantages:
· Prevents loosening without additional locking devices.
· Easy to install and adjust.
· Durable and reusable in many cases.
