自2010年12月起，SAE航空航天材料部已宣布本规范“取消”，并已被MIL-PRF-6855取代。每当提及已取消的AM-R-6855时，应满足最新版MIL-PRF-6855的要求。通过这一行动，本文件将保留在《航空航天材料规范索引》的数字部分，并指出其已被MIL-PRF-6855取代。军方重新制定了军事规范。AMS被取消，以避免与军事文件混淆。本规范涵盖了合成橡胶制成的耐低温片材、带材、模制或挤压型材的要求。

This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of December 2010 and has been superseded by MIL-PRF-6855. The requirements of the latest issue of MIL-PRF-6855 shall be fulfilled whenever reference is made to the cancelled AM-R-6855. By this action, this document will remain listed in the Numercial Section of the Index of Aerospace Matreial Specifications, noting that it has been superseded by MIL-PRF-6855.Military reinsated military specification. AMS cancelled to avoid confusion with military document.This specification covers the requirements for low temperature resistant sheets, strips, and molded or extruded shapes fabricated from synthetic rubbers.