5500-768 board-feedback amp this is the board asked for in 25805-203 . If you have a 5 hp stand then this is the board you need. This is a feedback amplifier board. It allows speed control of the drive motor.25805-203feedback amp board you need to know the part number of your test stand to determine which board you have and need. The manual covers 3 hp and 5 hp stands and these modules are different depending on which one you have.
NSN 4140-01-048-4424
NSN 6220-01-400-4203
NSN 5950-01-403-2852
NSN 5975-00-669-8509
NSN 6150-00-832-8810
NSN 6620-01-445-4295
NSN 6145-01-173-3782
NSN 6620-00-709-7389
NSN 6145-01-204-5529
NSN 5945-01-241-7750
NSN 5835-01-459-8664
NSN 6685-00-287-7564
Last Updated: 04/28/2025