Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M05 56 5 found under Resistor Fixed Film by Erie Specialty Products Inc. The National Stock Number assigned to this part is 5905012488251, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M05 56 5.