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 under 850 kpa
NSN 6240-01-285-0927
NSN 5915-00-203-5860
NSN 5910-01-302-1993
NSN 6135-00-553-7995
NSN 5925-01-069-9459
NSN 5950-00-679-9539
NSN 5920-00-056-1612
NSN 6135-01-177-3552
NSN 5895-00-317-2673
NSN 5975-00-880-6285
NSN 6220-00-044-3553
NSN 5999-00-822-2498