Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MSP10A01221J found under Resistor Network Fixed Film by Dale Electronics Inc. The National Stock Number assigned to this part is 5905012801159, 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 MSP10A01221J.