Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RR1010 TM METRIC EL INP 168.2 1 found under Gear Assembly Speed Decreaser by R R Transmissions Inc. The National Stock Number assigned to this part is 3010015231442, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RR1010 TM METRIC EL INP 168.2 1.