Part Number ABUP4 having (CAGE Code 07707) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for ABUP4 Washer Flat by Pop Fasteners A Black And Decker. 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.