Part Number 11-0447 having (CAGE Code 31738) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 11-0447 Washer Flat by Service Filtration Corp Dba Serfilco. 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.