This catalogue from Souriau details the connector maker's 851 series of connectors conforming to standard MIL-DTL-26482. They are available in sealed and hermetic types with a wide choice of body styles and back fittings. These connectors were originally conceived to ensure reliable electrical connections in aircraft, but their lightweight, compact construction and general characteristics have contributed to successful adoption in numerous civil and military aviation applications and also in the fields of professional and general electronics.