AMS4 Silicone Grease Multi-Purpose Silicone Grease 400ml1030998 (31566-AA)Military & aviation grade XG250 silicone grease for use on rubber seals to prevent cracking, on 3-phase connectors to prevent moisture ingress and for general lubrication.
Insulates high voltage parts against leaking and arcing
Waterproofs electronics in damp or humid conditions
Meets military and aviation specifications: Def. Stan 68-69/1