Part Number FN812-428 having (CAGE Code 56878) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for FN812-428 Nut Self Locking Extended Washer by Sps Technologies 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.