Part Number HDWB04012800002B00 having (CAGE Code 91367) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for HDWB04012800002B00 Washer Flat by Northwestern Tools 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.