Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SB813B24A2 found under Motor Tachometer Generator by Servo Products Co. The National Stock Number assigned to this part is 6105009611668, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SB813B24A2.