This specification covers a silicone rubber in the form of sheet, strip, tubing, molded shapes, and extrusions.
SAE AMS3345C-1976 history
2020SAE AMS3345G-2020 Elastomer: Methyl Phenyl Vinyl Silicone (PVMQ) Very Low Temperature/Aircraft Piston Engine Oil Resistant High Strength/Tear Resistant 45 to 55 Durometer Type ‘A’ Hardness For Products in Aircraft Piston Engine Oil/Low Temperature Environments