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 6320-01-378-6191
NSN 6610-00-500-6944
NSN 5895-00-275-5106
NSN 6110-01-469-5921
NSN 6150-01-409-2858
NSN 6610-00-270-6649
NSN 7035-01-469-5854
NSN 5990-00-022-2957
NSN 6105-00-177-5173
NSN 6240-00-917-7245
NSN 5895-00-759-1976
NSN 7035-01-018-6589