Viton o-rings
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 5925-00-346-7991
NSN 6645-01-421-2445
NSN 5950-01-557-1392
NSN 6145-00-199-8066
NSN 6220-01-600-3946
NSN 5920-01-181-1073
NSN 6105-01-197-7687
NSN 5925-00-407-7660
NSN 4140-00-106-0997
NSN 6220-01-579-3138
NSN 6135-01-434-0417
NSN 6135-01-483-1501