Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M57-83 found under Controller And Moto by Parker Hannifin Ltd. The National Stock Number assigned to this part is 6110012474167, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M57-83.