Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 214C40-3-91 found under Switch Pressure by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5930000000117, 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 214C40-3-91.