ISO 7403 pdf download.Aerospace – Spline drives – Wrenching configuration – Metric series
1 Scope
This International Standard specifies the metric wrenching configuration dimensions of spline drives.
This is a design standard.
2 Configuration and dimensions
See figures 1 and 2 and tables 1 and 2. Dimensions and tolerances are expressed in millimetres.
Variations in size, form and position of the 1 2 splines are permitted within the wrenching length, provided that the actual profile falls within the maximum and minimum material conditions shown in figures 1 and 2. Dimensions are prior to forming the locking element on self-locking nuts.
3 Designation
The drive designation shall be as follows: