Part Number 991 4 13839 004 having (CAGE Code K7626) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 991 4 13839 004 Washer Lock by Thales Underwater Systems Sas. 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.