Which of the following is not included in the components of a Type 4 connector link?

The components of a Type 4 connector link are specifically designed to ensure the safe and effective connection of different elements in aviation operations. Among the listed components, the base plate and locking plate are integral parts of the connector link, providing the necessary structural foundation and securing mechanism for the connection.

Aluminum rollers are also part of the connector link design, facilitating the movement and alignment of loads. Their role helps to distribute stress and manage dynamic loads, which are critical in maintaining the integrity and performance of the connector during operation.

In contrast, a steel cable is not a component typically associated with a Type 4 connector link. The Type 4 connector link focuses on its specific mechanical elements like plates and rollers rather than cable elements. The absence of a steel cable highlights the distinct functions of connector links, which are primarily designed to operate with rigid structural components instead of flexible ones used in other lifting or hauling contexts.