Instructables
caitlinsdad4 years ago
qwertyboy (author)  caitlinsdad4 years ago
Thanks a lot! That page is going to my bookmarks.
That page has moved:

http://www.gwellwood.com/electronics/how-to-read-capacitors/
It looks somewhat like a Metal-Oxide Varistor.
http://www.worldproducts.com/MOVDefinitions.htm#Part_Marking

You may be correct. These sample markings seem a better fit in trying to figure out what it is. My guess is the 3300 - year digit and julian date day.