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 6320-01-240-4637
NSN 5996-00-474-2245
NSN 6620-01-090-3803
NSN 6240-01-076-1793
NSN 5998-01-505-9261
NSN 5960-01-086-9650
NSN 6240-01-605-8096
NSN 6220-01-551-9395
NSN 6685-01-035-0566
NSN 4140-01-242-2296
NSN 6145-01-144-9949
NSN 5965-01-395-0104