The ITT CANNON MS3100E28-21PF187 connector is a robust, military-grade circular connector built to withstand harsh conditions. Originally designed for aerospace applications, it's now widely used in industrial settings requiring high reliability and ease of use. Its aluminum alloy shell provides durability, while the resilient polychloroprene insulator and rear-sealing grommet ensure a liquid-tight seal. Available with various contact layouts and plating options, this connector is suitable for applications such as power generators, battery systems, and off-road vehicles. Its threaded coupling provides superior EMI/RFI shielding and is easily assembled, making it a cost-effective solution for demanding environments.