Need help identifying this connector

I’m trying to build a project to connect to the depth sensor on my sailboat. The depth sensor includes an unconnected 5-pin output that the manual says is an NMEA 0183 interface (that’s a serial protocol) which is exactly what I need. However, the depth sensor is very old and has been discontinued. The connector is described as a “Fuji 5-pin” but I can’t find any information matching that description. Mouser seems to sell every connector known to mankind, but there are so many options I don’t know where or how to start.

I’m attaching a couple of photos and the diagram of the back panel from the manual. The telltale characteristics I would think are the number and orientation of the plugs and the secure screw-together connection. If anyone has any tips on how to identify this guy and/or track down a compatible (male) plug I would be grateful. And a pinout would put me over the moon!

No sooner did I submit the post than I think I found the answer: it’s from the Maretron mini series:

http://www.maretron.com/products/pdf/Mi … sheets.pdf

Maretron is probably just reselling a standard 5-pin DIN with locking barrel.

http://www.digikey.com/product-detail/e … ND/1290112

They are much less expensive if you don’t need the locking features. PM me if you need any help. I’ve been working on an NMEA protocol converter and now I have to add an AIS feature, so I’m kinda knee deep in this stuff.