Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CR251-4-5P470K found under Resistor Fixed Composition by Mepco Electra Inc. The National Stock Number assigned to this part is 5905001410717, 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 CR251-4-5P470K.