Part Number STD2057-7B having (CAGE Code K0289) and FSC 5340 Hardware, Commercial in stock with ready to ship. Get an instant quote for STD2057-7B Locking Plate Nut And Bolt by British Aerospace Plc. 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.