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 6685-00-937-4471
NSN 6130-00-301-1185
NSN 4140-01-491-1750
NSN 6150-00-148-3909
NSN 5985-00-699-8095
NSN 5990-01-147-5225
NSN 6220-00-282-9714
NSN 5925-01-462-2209
NSN 5990-00-067-6791
NSN 5920-01-364-1167
NSN 6240-01-014-3447
NSN 6150-00-205-6775