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 6220-01-049-5810
NSN 5925-01-458-5225
NSN 6150-00-731-9564
NSN 6650-00-575-7487
NSN 5965-00-878-6652
NSN 6685-01-445-6201
NSN 5925-00-219-2908
NSN 7035-00-152-0055
NSN 5855-00-079-2370
NSN 5996-01-116-2523
NSN 6610-00-814-0569
NSN 6220-00-171-3702