Product Description: Woodward 5462-268 Digital Speed Controller (505 Series)Prod ...

I. Model Meaning (Sequentially)D631: 631 Series Two-stage Mechanical Feedback Se ...

I. Model DecodingD631: Two-stage mechanical feedback servo valve of the 631 seri ...

Product Description: Woodward 5462-244 Handheld Programmer/ControllerProduct Mod ...

I. Model Meaning (by each digit)D631: 631 Series Two-stage Mechanical Feedback S ...

Product Description: Woodward 5462-236 Digital Speed Controller / SynchronizerPr ...