Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 304580-1 found under Gyroscope Rate by Timex Corp. The National Stock Number assigned to this part is 6615011101082, and the Federal Supply Class is 6615 Automatic Pilot Mechanisms And Airborne Gyro Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 304580-1.