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 6240-01-059-3563
NSN 5895-00-014-3121
NSN 5905-00-840-6812
NSN 5998-01-463-8410
NSN 6135-01-383-1910
NSN 5990-00-678-6006
NSN 6650-01-003-2815
NSN 5855-01-508-4654
NSN 5930-01-430-4859
NSN 2925-01-127-0167
NSN 6240-00-266-6258
NSN 6650-00-938-6785