240644-9 is a circular, push-pull connector manufactured by TE Connectivity. It is part of their Housings and Mates product line and is a JRF Series Raised Panel Sealing Receptacle. The connector has a military style shell and is IP 68 rated, making it waterproof and dustproof. It has 9 pins and a threaded hole that makes it suitable for attaching a conduit or additional protective measures. The raised panel design provides additional connector strength, helping to reduce the possibility of mechanical loosening or accidental disconnection.