4.2.8 Connector-to-Connector Engagement Force.4.2.8.1 Purpose. This test quantifies the force required to engage fully populated female and male connectorsto each other. Note that this test shall also be used for connectors with manually operated mating assistdevices such as slides, levers or cam locks. In this case, the force required to manually operate the mechanical assist in mating and unmating the fully populated connector is measured. This also applies topre-staging of connectors having bolts, slide locks, or other locking assist devices.4.2.8.2 Acceptance Criteria. Refer to USCAR25 for Procedure and Acceptance Criteria of Connector toConnector Engagement Requirements.