Part Number: 23-502-01A (Gyro horzn vac 3 inch)Part Number: 23-502-01A-1 (Gyro horzn vac 3 inch)Part Number: 300-3CF8DEG (Gyro horzn vac 3 inch)Part Number: RCA-20 (Gyro horzn vac 3 inch)Part Number: SP-7701-1-CES (Gyro horzn vac 3 inch)Part Number: SP-7710-1-CES (Gyro horzn vac 3 inch)