Part Number: 1518-2A (Inverter) Part Number: 1518-2C (Inverter) Part Number: 1518-2E (Inverter) Part Number: 1518-2F (Inverter) Part Number: 1518-2G (Inverter,rotary) Part Number: 1518-2H (Inverter) Part Number: 1518-2I (Inverter) Part Number: 1518-2J (Inverter) Part Number: 15182MA (No description) Part Number: 15182P-01 (Spring,friction,guide (resin)) Part Number: 15182SB (Bearing) Part Number: 15182TB (Bearing) Part Number: 15182TB-BX (Bearing) Part Number: 15182VB (Bearing)