Can anyone identify this converter by photo?

[furious70]

Trying to figure out what this thing is. It came with a 518, has a symmetrical bolt pattern like later model stuff.

has 50441 stamped in it which the internet tells me might be the first JW unit listed on this page:

https://www.campbellenterprises.com...verters/727-torqueflite-torque-converters.php

 

[furious70]

29643 stamped as well, don't find anything on that

 

[Ray70Chrg]

B&M Tork Master 2400, C4, 26 spline, 10.5
part #50441
edit: probably not the same. C4 is Ford trans. Just came up with same part #.