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 5920-01-181-6776
NSN 5925-01-642-7281
NSN 4140-00-627-9588
NSN 6150-00-644-8745
NSN 6610-01-176-3539
NSN 5855-01-305-3292
NSN 6150-01-050-4430
NSN 5960-00-368-4084
NSN 5985-01-414-4928
NSN 2925-01-491-7318
NSN 5925-01-332-8371
NSN 5910-01-531-5980