Part number 1841L61.
This is a Infinite Switch for the Large 8" Burner.
It is a 5 Wire Switch.
It has a "D" shaped shaft that is 1/2" long.
Printed on sticker of the part is numbers 184-1L061, NL 831473, 1108120.
240V, 1250-1500W, 5.2-6.25A
Designed to fit specific Brown range models.