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 6320-01-643-0850
NSN 6130-01-034-9837
NSN 6610-01-265-1824
NSN 6620-00-527-9280
NSN 6240-01-116-5988
NSN 5835-01-133-6485
NSN 5998-01-378-8666
NSN 5985-00-010-9362
NSN 5975-01-269-3354
NSN 6240-01-252-9374
NSN 5905-01-641-7205
NSN 6110-00-712-8538