Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number URC3R3K1-2 found under Resistor Fixed Composition by Philharmonic Radio And Television. The National Stock Number assigned to this part is 5905007022989, 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 URC3R3K1-2.