Amphenol PCD Backshells and Dust caps are designed for optimal performance in any application, especially harsh and demanding environments. Backshells provide strain relief, environmental protection, and EMI/RFI shielding at the termination area of virtually any connector. Dust caps provide sealing and dust protection at the connector interface while the connector is not in use. Backshells and other circular connector accessories are offered in Mil-spec, commercial, and custom types. Offering a base material of aluminum alloy, stainless steel, composite, silicone, or rubber and a wide range of plating options. Amphenol PCD connector accessories mate with Mil-spec and commercial connector series, including MIL-DTL-5015, MIL-DTL-26482, MIL-DTL-38999 and MIL-DTL-83723.