Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S7L5D-642 found under Switch Reed by Snowbird Industries Inc. The National Stock Number assigned to this part is 5930010690345, 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 S7L5D-642.