To obtain the part number 31D302A, you can check with authorized distributors or retailers that specialize in electronic components or military parts. Additionally, online marketplaces like eBay or specialized websites such as Digi-Key or Mouser Electronics might have it in stock. If it’s a specific military or aerospace component, contacting the manufacturer directly or checking with government surplus suppliers could also be effective.
The keypad compatible with the 31D302A model is the 31D302B. Both keypads are part of the same series and share similar specifications, allowing for seamless integration in various applications. Always check the manufacturer's guidelines to ensure compatibility with your specific system.
That keypad (stamped with a model # of 31D302 A) goes along with a console single button controller. The whole pakage is called a touch code transmitter model 139.18755. The keypad is programmed so simply that you'll kick yourself.Find the console (single button controller) that the keypad is wired toRemove the small plastic faceplate above the button using a small flat screwdriverYou should see a 9v battery inside this compartment (it probably requires replacement while you have it apart)You should also see a small black switch on the right side of the opening (it should be labeled "program" or "operate")Move the switch to "program"; the red led light will start to flash on the keypadGo to the keypad and enter your new 4 digit code (nothing more than 4 digits)Go back to the console and move the switch back to "operate"; the red light will stop flashingTest your code on the keypad at this point, it should work, if it doesn't, repeat steps 5 thru 8It's too simple.