Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 440-034 found under Knob by Mcc Powers Process Controls. The National Stock Number assigned to this part is 5355001696252, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 440-034.