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 5990-01-581-5103
NSN 6135-01-128-5358
NSN 5960-01-095-6873
NSN 5935-01-487-8178
NSN 5905-00-828-4176
NSN 5920-00-816-7535
NSN 6130-01-257-8331
NSN 5915-01-523-9172
NSN 5925-00-119-8654
NSN 5855-00-237-4088
NSN 5935-01-011-3597
NSN 5960-01-020-2841