Part Number HSA000937 having (CAGE Code Z1480) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for HSA000937 Valve Vacuum Regulating by Nqea Marine Safety. 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.