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 5835-01-439-0180
NSN 5855-00-821-7512
NSN 7035-01-086-8095
NSN 5930-00-193-4199
NSN 5998-00-781-0122
NSN 5835-00-003-0295
NSN 6620-00-912-0255
NSN 4140-01-140-9727
NSN 5895-00-525-3295
NSN 5999-01-487-3564
NSN 6240-01-322-7465
NSN 6685-00-482-4002