Part Number 1-1 2 BOLTSIZE having (CAGE Code 7Y620) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 1-1 2 BOLTSIZE Washer Flat by Hardware Specialty Co 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.