Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 89020 FIND 28 found under Switch Assembly by Tritec Manufacturing Llc. The National Stock Number assigned to this part is 5930013417144, 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 89020 FIND 28.