Re: Objects & where they’re from | contains spoilers: aired

The number 815 was the airline flight in Lost
and the number 108 occurred a couple of times one of those being the six numbers of the people chosen when added up totaled 108. I think it was also the amount of time given in the Swan Hatch on the timer before having to hit the button to keep anything bad from happening.

http://lost.wikia.com/wiki/108