It's probably a thermal fuse - melts when gets too hot - often when clothes draped over vents etc...
The model number is probably 7914?
I see references to models 79141 / 79141C / 79141H
Fuse links info came from this UK site...
http://www.appliance-parts.co.uk/shop/shop.php?cat=66&maincat=13&sid=sideff9c3ac4b4638485c0d30222b954985
Peccavi, December 2008