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 4140-01-411-5908
NSN 5905-01-587-4929
NSN 6320-00-149-7570
NSN 6130-00-061-0214
NSN 2925-01-629-9416
NSN 5945-01-369-0183
NSN 5920-00-291-1379
NSN 5835-01-034-1255
NSN 5985-01-510-3461
NSN 5990-00-155-2306
NSN 5950-00-558-4780
NSN 5998-01-512-4031