Part Number 6120 having (CAGE Code 05178) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 6120 Valve Check by Nalge Co Div Of Sybron 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.