Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 148C028-1 found under Switch Assembly by Oai Electronicsllc. The National Stock Number assigned to this part is 5930011363450, 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 148C028-1.