Ansi B92.1a-1976 ((top))

The standard was developed to define tooth dimensions for both spur and helical involute splines, ensuring that an internal spline manufactured by one company would fit an external spline produced by another. It provides a standardized system for pitch, pressure angles, tooth thickness, and tolerances. Key Additions in B92.1a-1976

Involute splines have maximum strength at the base of the tooth, allowing them to handle significantly higher torque loads. Ansi B92.1a-1976

Definitive definitions for minimum clearance. The standard was developed to define tooth dimensions

standard, which provides comprehensive data and inspection criteria for involute splines providing high precision and strength

The teeth fit on the sides, providing high precision and strength, often self-centering.