Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90K10A1C2D4 found under Switch Subassembly by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5930005840817, 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 90K10A1C2D4.