Part Number HS4149-8 having (CAGE Code 02731) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for HS4149-8 Nut Self Locking Barrel by Mcdonnell Douglas Helicopter Co. 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.