The MS27505 Type connector box mount receptacle features a low-profile design, perfect for mounting in confined spaces. The longer shell is designed for mounting to the back of a panel. Due to the compact design, the connector does not feature accessory threads for protective backshells. A cover is recommended to protect the contacts when the receptacle is not in use. Compatible with D38999 / MIL-DTL-38999 / MIL-C-38999 connector plugs & accessories.