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 6220-01-461-9643
NSN 6150-00-891-7922
NSN 5999-01-454-1038
NSN 6240-01-148-0379
NSN 5990-00-301-3386
NSN 5985-01-020-8259
NSN 4140-00-904-3438
NSN 5950-01-171-3710
NSN 6145-00-952-9290
NSN 5855-00-631-4565
NSN 5895-00-407-5646
NSN 6620-00-225-4870