120-8552-309 is a 9-contact SURE-SEAL series plug connector from ITT Cannon, designed for environmentally sealed interconnect applications. This connector features a shell size SS9P with dimensions A ± 0.3 of 28.55 mm and B ± 0.2 of 23.5 mm, accommodating wire insulation diameters from 1.8 to 2.8 mm. The one-piece molded body with rugged multiple moisture seals provides reliable protection against outside contaminants. The SURE-SEAL series is designed to meet automotive and industrial standards for vibration, shock, temperature cycling, salt water spray, and immersion. Common applications include industrial machinery, rail, construction and cleaning vehicles, trucks and buses, and cranes.