Part Number 12-M-1-(3 having (CAGE Code 3P473) and FSC 3010 Torque Converters and Speed Changers in stock with ready to ship. Get an instant quote for 12-M-1-(3 Coupling Shaft Flexible by American Propulation Systems. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.