Mil-Con is the audio connector division of The Phoenix Company of Chicago and manufacturers the following products.

• Circular Audio Connectors - MC183 through MC729
• Mil-C-55116 -Commercial Version-5 & 6 position
• Filtered Audio Series - "C" and "Pi" type filters
• NSA-ON series - MC-ON190305-X, MC-ON241774-X, MC-ON241775-X
• Custom Mil-Con Connectors - 7 & 9 & 19 & 27 position; special termination