Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 104-0140 found under Switch Speed Sense by Engineered Electric Company. The National Stock Number assigned to this part is 2990001318089, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 104-0140.