The stamp on the top of the device is very difficult to read, but here is what I believe it says:

M105941796 C

W9-u47M305V~

or

M02870472 C

U2-u47M305V~

Leads are prepped for PCB installation, approximate 0.21" (5.33mm).

X2 Capacitor, 305V 20% tolerance 105C temp rating.