scope:

This specification establishes the requirements for the design, manufacture, and testing of forced air-cooled standard avionics enclosures, hereinafter referred to as enclosures. The enclosures accommodate Standard Electronic Modules (SEM) Format B 2-Span, Format C, and Format E, and a standard backplane. The enclosures provide cooling for the enclosed devices, protection from the environment, and shielding from Electromagnetic interference (EMI) for various military avionics systems on multiple platforms.

intended Use: