This specification has been CANCELLED by the Aerospace Materials Division, SAE, as of September 2009. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specification. Users may refer to AMS3275 as a replacement specification, however, they are cautioned to evaluate AMS3275 for their particular application.Primarily for gaskets, sealing between metal surfaces, in contact with fuels or with lubricating oil at temperatures up to 150 \mDC (300 \mDF).