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 6650-01-565-1471
NSN 5835-01-190-5192
NSN 5996-00-007-5969
NSN 6150-01-507-4910
NSN 5950-01-188-6934
NSN 5915-00-376-9388
NSN 6135-01-033-3213
NSN 6645-00-845-1071
NSN 5905-01-003-7302
NSN 5855-01-502-9403
NSN 6685-01-444-1496
NSN 5999-01-196-7746