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 5985-01-445-1278
NSN 5855-00-494-9581
NSN 5999-01-044-5417
NSN 5920-00-769-0967
NSN 5920-01-038-7388
NSN 5930-01-258-5621
NSN 5950-01-611-3824
NSN 5975-01-429-4953
NSN 6135-01-388-2761
NSN 5930-00-076-3248
NSN 6645-01-046-4880
NSN 6645-01-428-3576