Part Number 2642-807-02 ITEM 21A having (CAGE Code 96169) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 2642-807-02 ITEM 21A Nut Retaining 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.