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 a two-component silicone rubber sealant and compatible primers. Primarily for sealing aircraft structures within a temperature range of -65 degrees to +450 degrees F (-54 degrees to +232 degrees C). The sealant is also compatible with AS1241 phosphate ester fire resistant hydraulic fluids.