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.
NSN 6150-01-067-5924
NSN 7035-00-455-7666
NSN 6240-01-160-7430
NSN 5950-00-579-2222
NSN 5965-00-201-1167
NSN 5998-01-435-6656
NSN 6650-01-486-1268
NSN 5930-00-106-9946
NSN 5950-00-434-9106
NSN 6105-01-446-9092
NSN 6645-01-595-7659
NSN 6220-01-591-4071