Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSC 1660 - Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Federal Supply Class (FSC) 1660 encompasses environmental control system (ECS) components including air conditioning packs, heat exchangers, pressurization controllers, and cabin heating equipment installed on military aircraft. Parts are sourced to MIL-SPEC and OEM standards for cockpit and cabin habitability and avionics cooling.