11677-AA is an aviation hydraulic sealant from CRC Industries Inc. that is designed to create an airtight, water resistant seal in hydraulic systems. It is specially formulated for military/aerospace applications, and can prevent corrosion and wear in high temperature and pressure systems. It also contains special inhibitors that prevent organic growth such as bacteria, fungi, and algae in order to help prolong the life of aviation systems. 11677-AA is available in a 10.3 oz aerosol can and can be used on all types of metals, aluminum, copper, brass, and plastic.