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 5925-01-424-1407
NSN 6620-01-258-7005
NSN 5945-01-542-9117
NSN 5910-00-281-2449
NSN 4140-01-602-9995
NSN 6150-01-276-7901
NSN 5996-00-789-4713
NSN 6620-01-517-0014
NSN 5905-01-600-0179
NSN 5950-01-529-9548
NSN 6645-00-825-5677
NSN 6685-00-451-0083