Circle seal control model c2949b applies; cartridge type
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5945-01-079-9370
NSN 5935-00-502-7674
NSN 6220-01-614-6816
NSN 5990-01-046-8530
NSN 6220-01-114-7420
NSN 6105-01-463-2387
NSN 5999-01-119-2983
NSN 4140-00-671-4532
NSN 5895-01-442-8459
NSN 5975-01-205-0548
NSN 5905-01-551-6608
NSN 6650-01-529-6416