Part Number 0.31218UNC2BY1G4NSA BDC having (CAGE Code 96169) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 0.31218UNC2BY1G4NSA BDC Nut Plain Hexagon by Electric Boat Corp. 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.