D3A and D2A By-Pass Motor Armature (Second Version)
This is the next version armature that came original with the R1405 motor design for the model D3A Rainbow bypass motor. It replaced the R1426 armature and works with the R1910 and R2424 field.
You may find this armature in a D2A, D2, or D model Rainbow because this motor design was a factory replacement for all previous motor versions.
Effective in the D3A from serial number 4545551 through 4607199.