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 steel
NSN 5895-01-276-5894
NSN 5990-00-929-0500
NSN 5960-01-624-1170
NSN 5905-01-580-3525
NSN 5975-01-437-6594
NSN 5960-01-385-4333
NSN 6620-00-155-2608
NSN 5920-01-258-6360
NSN 5965-00-969-5795
NSN 5990-00-113-6137
NSN 5855-00-885-8452
NSN 5915-00-831-1749