Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RC4197-73A found under Resistor Fixed Composition by Hughey And Phillips Inc. The National Stock Number assigned to this part is 5905001069346, 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 RC4197-73A.