Looking for diode info

[plus6dbE]

I found this press-in diode (see attached pic) in a crusty old power supply that was part of a lot I won at auction. It's an Electro-Technic Products "Model 6000 Variable Voltage Power Supply." I estimate it to be mid-80's vintage. And it looks like someone made some attempt at repairs, to put it kindly (you'll see what I mean if you'd like to check out photos of the teardown - they're in my dropbox at https://www.dropbox.com/sh/qhmn6kz90b03pqs/AADSRMPHU-oi28Kk6WjxBExPa?dl=0 ). This thing interests me because I've never seen a variable transformer like the one used here that has a plate that is connected to the control knob and brushes along the windings as the operator turns the knob in order to vary the output voltage. 

Anyway, I have had no luck so far trying to find some info about the pair of diodes. The mark looks like it says "5L11N  207".
Any ideas about whether it's feasible to track down info on an old diode like this, and if so, where to look?

[SeanB]

I would not even bother but just replace it with a 25A 800V bridge rectifier mounted on the heatsink plate, and only connect the 2 AC wires and then the output is taken from either the + or - lug, depending on how the diodes are connected as either stud anode( most common so + lug ), or stud cathode so - lug. That will work.

[plus6dbE]

This box has AC output straight off the transformer, and DC output is just passed through a 1/2 wave rectifier (these two diodes). Pretty simple but doesn't look very efficient to me.
I haven't decided what to do with this thing yet (fix it up or scrap it), but I had never seen these press-in diodes before so I was just curious about them. 

[SeanB]

You never took an alternator apart? there are 6 in there, or in the more modern ones 2 steel plates with the diodes in little pits with some gunk sealing them in so only a lead wire protrudes.

[plus6dbE]

You never took an alternator apart?

nah, on the few occasions where I've had to replace an alternator I've always turned in the old one for the core refund 

[SeanB]

Generic one new is $40, so you could even go to Autozone in the US and ask them if they have any old ones.