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 6685-01-644-7354
NSN 6685-01-382-8878
NSN 6150-00-340-3203
NSN 4140-01-260-5435
NSN 5895-00-153-2595
NSN 5905-01-339-8424
NSN 6240-01-041-2519
NSN 5965-00-051-1721
NSN 5960-00-188-6977
NSN 5915-00-927-2358
NSN 5975-00-770-0151
NSN 5975-01-030-0989