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Hundreds of components on the frame of an airplane are lubricated with grease. Since the performance of such components is critical, a number of grease specifications have been written to cover airframe grease applications. The proliferation of different airframe grease specifications complicates the maintenance of mixed fleets of airplanes and increases the opportunities for misapplication of grease. In the past decade, efforts have been made to reduce the number of greases required for airframe lubrication by enhancing the multipurpose nature of the relevant grease specifications. This paper compares four specifications that are used to specify airframe greases and describes a multipurpose grease which meets two of the major airframe grease specifications.