Part Number ST3M431C3M2 having (CAGE Code 80537) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for ST3M431C3M2 Nut Self Locking Plate by Carlisle And Finch Company The. 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.