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 copper having a pressure rating of 850 kpa or over
NSN 5945-00-155-4290
NSN 5996-01-098-6712
NSN 5985-01-534-7728
NSN 6150-01-180-1787
NSN 4140-00-106-6780
NSN 5945-01-599-4910
NSN 5985-00-767-1193
NSN 6240-01-376-3697
NSN 4140-00-626-6470
NSN 5985-00-884-2918
NSN 5990-01-580-2191
NSN 6240-01-592-4068