This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.This specification covers semi-fluid lubricant suitable for use in aircraft gearboxes and transmissions.This product has been used typically for lubricating transmissions in wing slat/flap actuators in certain aircraft, and other mechanisms, but usage is not limited to such applications.