Horizontal ECU’s (NSN 4120-01-559-4892)

Applied Companies has manufactured 75+ variants of Horizontal ECUs primarily Rigid Wall Shelters such as the Army and Air Force’s.


Applied Companies Horizontal ECUs service a very wide variety of System of Systems (SoS).

Module Support Type I AN/AQS-20A. This ECU provides support for Mission Modules on Littoral Combat Ships (LCS).

S-530A/G, S-781/G, S-782/G, S-785/G. S-786/G S-788/G or S-280C/G and the Navy’s Basic Mobile Facility Type A & B

NSN 4120-01-559-4892, 4120-01-567-7221, 4120-01-573-0647, 4120-01-576-9625, 4120-01-586-7443, 4120-01-588-6273, 4120-01-588-6544, 4120-01-604-1441, 4120-01-611-8626, 4120-01-619-3621

Additional information

Part Number


Environmental Control Units - ECU