AC Threaded Industrial Cylindrical Connectors Amphenol Industrial AC Threaded Industrial Cylindrical Connectors are a commercial derivative of the MIL-DTL-5015 product used in military and industrial applications. These cost-effective connectors feature a fine threaded coupling for use in benign and harsh environments. Options include more than 275 insert arrangements ranging from 1 to 55 positions and up to 150A per contact. The available arrangements enable the mixing of power and signal contacts, signal only or power only. Contacts are available in solder, crimp, or PC termination with silver or gold plating. Thermocouple and coax contacts are also available. Amphenol Industrial AC Threaded Industrial Cylindrical Connectors operate in a -55°C to +125°C temperature range.