Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RN5-003 found under Motor Tachometer Generator by Rotronics Inc. The National Stock Number assigned to this part is 6105009998806, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RN5-003.