Part Number S1640-61718 having (CAGE Code 78286) and FSC 5306 Bolts in stock with ready to ship. Get an instant quote for S1640-61718 Bolt Internally Relieved Body by Sikorsky Aircraft Corporation. 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.