I just purchased a used altimeter from eBay because it'll look pretty on a shelf, and I may add a computer interface to it. However, I need help finding information on it.
This (from what I've been able to gather) is a Kollsman Instruments model B40331-10-276 altimeter. It's serial number 575A. There is a port on the back with a red plastic plug, which is obviously the static pressure connection (NB: If I try real hard I can suck myself up to 8000 feet). There is also what I would call a "cannon plug" with 19 pins.
Label on the back reads:
ALTIMETER, PRESSURE CORRECTED TYPE INTEGRALLY LIGHTED 5VAC 0.68 AMP RANGE -1000 to +50000 FEET FAA TSO-C10b KOLLSMAN INSTRUMENT CORPORATION ELMHURST NEW YORK
Primarily, I want to know the specification of that electrical port - pinout, voltage/current ratings, protocol descriptions, etc. A bonus would be a repair/calibration manual with all the details. Perhaps this is a standard avionics connector, so a link to a standard would work.
Of course, if this is identical in all respects to another model, and there is information on that model, please share.
What are the dimensions of the threaded static port as well?
Here are some photos of the instrument:
Credit: My own photos
I believe my biggest and only leap was figuring out where the dashes went in the model number...