Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S212US1A805300 found under Switch Rotary by Panel Components And Systems Inc. The National Stock Number assigned to this part is 5930015651771, 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 S212US1A805300.