The TE Connectivity 2350891-4 is a 20-position high-density sealed connector designed for robust applications requiring reliable connections. This specification provides detailed guidelines for the application, mounting, and maintenance of the connector and its accessories. It covers procedures for assembling contacts, extracting contacts, mating and unmating connectors, and includes information on applicable terminal and crimping specifications. This connector is suitable for various industrial applications where a secure and sealed connection is critical.