The ACS02E20-19P(548) is a circular connector made by Amphenol. It has a 20-pin configuration, with 19 pins on the plug and 1 pin on the receptacle. The connector is made of metal, with a nickel-plated finish, and is designed to mate with MIL-DTL-38999 and ARINC 600 series panels. It has a locking mechanism, which provides secure retention during vibrational movement, and is designed to mate with standard panel fasteners. The connector is rated for up to 35A, 5A per individual contact, and features gold-plated contacts, which provide corrosion-resistant electrical connections.