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SAE AMS3378 Revision B, January 1, 2012
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Sealant, Silicone, Two-Part, General Purpose Room Temperature Vulcanizing Non-Fuel Resistant
Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , January 2012
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AIA/NAS Aerospace Standards

This specification covers a two-component silicone rubber sealant and compatible primers.


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

Safety - Hazardous Materials:

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to insure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.