Part Number 47A238120 21 11 having (CAGE Code 98738) and FSC 3020 Gear Pulley Sprocket and Transmission Chain in stock with ready to ship. Get an instant quote for 47A238120 21 11 Gear Cluster by Herley Industries Inc. 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.