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 5920-00-074-4654
NSN 5835-00-941-4959
NSN 6135-01-130-3145
NSN 5998-00-290-8100
NSN 2925-01-043-9786
NSN 5930-01-097-5483
NSN 6110-01-441-5249
NSN 6650-00-390-3568
NSN 6110-00-327-5056
NSN 5945-00-530-8417
NSN 5998-01-331-4018
NSN 6620-00-590-9257