Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C37590-298U found under Cover Electrical Sw by Marconi Electronics Inc. The National Stock Number assigned to this part is 5930012232959, 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 C37590-298U.