涵盖了使用MIL-L-7808和MIL-0-50-81 1005级润滑油润滑的所有航空航天正齿轮和斜齿轮，并给出了改进的闪蒸温度指数公式和推荐的工作指数范围。指导设计人员确定航空航天应用中使用的正齿轮和斜齿轮组的耐划伤性。

Covers all aerospace spur and helical power gears lubricated with MIL-L-7808 and MIL-0-50-81, Grade 1005 oils and presents an improved flash temperature index formula and a recommended operating index range. Guides' designers in determining the scoring resistance of spur and helical gear sets intended for use in aerospace applications.