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 5965-00-230-4162
NSN 4140-00-780-6443
NSN 5990-00-067-6791
NSN 5985-00-221-0108
NSN 5965-01-275-2212
NSN 6110-00-944-3069
NSN 2925-01-197-7864
NSN 6220-01-323-5408
NSN 2925-01-400-2286
NSN 5935-01-045-6176
NSN 6145-00-964-6694
NSN 6685-01-106-3210