Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS12ET10-21Y2 found under Switch Sensitive by Eaton Corporation. The National Stock Number assigned to this part is 5930013027754, 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 SS12ET10-21Y2.