Part Number 4378 having (CAGE Code 93146) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 4378 Nutself Lockingextended Washer by Buffalo Turbine Llc. 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.