It establishes a system for classifying the accuracy of individual cylindrical involute gears based on tangential measurements. NormSplash Key Specifications

The standard provides comprehensive guidance on specifying and measuring gear geometry:

"Did you account for the microscopic deviations?" Elena asked. "The transmission error? The stiffness variation as the teeth mesh?"

While no free, legal PDF of the 2001 edition exists for public download, understanding the subject matter—plastic gear thermal expansion, moisture effects, and modified tooth proportions—is essential. For any serious engineering project, purchase the current standard from AGMA or access it through your institution’s subscription. Do not rely on obsolete or illegally distributed copies, as they may provide dangerous design values for modern applications.