Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4770-00-0022 found under Resistor Network Fixed Film by Wavetek U S Inc. The National Stock Number assigned to this part is 5905010896665, 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 4770-00-0022.