Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YR1B20R5CC found under Resistorfixedfilm by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5905016747336, 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 YR1B20R5CC.