If you are trying to source this part for a specific repair or purchase, cross-referencing the code with AAR Component Services or specialized industrial catalogs like Scribd's Aerospace Lists is recommended. Ijebu Fila - Adeiyi Apparel
: In HVAC and ventilation, "D100" frequently denotes a 100mm diameter for connectors or reducers. For example, ERA Trade lists plastic reducers that connect ducts of these specific dimensions. AAJ-012 AV D100 l 2 - g b v D
In high-precision manufacturing, the "AAJ-012" prefix often identifies a base model or a specific inventory series. If you are trying to source this part