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 steel
NSN 4140-00-224-9149
NSN 5999-00-125-9448
NSN 5990-01-411-5930
NSN 5920-01-527-8779
NSN 5950-01-436-8133
NSN 6620-00-133-2633
NSN 6610-01-012-4081
NSN 5855-01-211-2437
NSN 6685-01-042-4245
NSN 5920-00-984-4428
NSN 5905-01-303-1395
NSN 5905-01-528-9645