Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D73856GR3-8 found under Switch Overspeed by Electro Mechanical Technologies Inc. The National Stock Number assigned to this part is 5930009970219, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D73856GR3-8.