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 6145-01-367-6503
NSN 6685-01-366-6956
NSN 6110-00-553-8816
NSN 6650-00-629-8027
NSN 6110-01-225-4481
NSN 5895-01-547-0453
NSN 4140-00-619-1534
NSN 5990-01-432-4249
NSN 5985-01-450-6727
NSN 5999-01-478-8582
NSN 5990-01-139-6042
NSN 6650-00-056-1581