Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RN55D9312F found under Resistor Fixed Film by North American Philips Corp. The National Stock Number assigned to this part is 5905002437967, 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 RN55D9312F.