Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 408-9-51437-002 found under Switch Toggle by G E C Marconi Avionics Ltd. The National Stock Number assigned to this part is 5930995273346, 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 408-9-51437-002.