Nikon D40 / Vivitar 5250 compatibility

[dogwelder]

I was just given an old Vivitar 5250 (RL Edition) flash. I've been told that some old flashes can damage current DSLRs. Is it safe for me to use this flash with my Nikon D40?

Thanks!

 

[dogwelder]

I found a page of strobe voltages: Photo Strobe Trigger Voltages

It looks like the flash is safe to use.