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 5905-01-365-4783
NSN 5935-01-102-6360
NSN 6620-00-475-9985
NSN 6220-01-493-7760
NSN 6685-01-435-5628
NSN 6645-01-256-3375
NSN 6320-01-564-0893
NSN 5985-00-665-3998
NSN 5950-01-463-3096
NSN 5920-01-436-3704
NSN 5990-01-390-2177
NSN 6220-00-230-4705