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 6150-01-046-8704
NSN 6240-00-084-0176
NSN 5950-00-308-0948
NSN 6610-01-241-3334
NSN 5965-00-179-7886
NSN 5925-00-299-8037
NSN 6220-00-544-1858
NSN 6240-00-933-7641
NSN 5855-01-429-8702
NSN 5975-01-457-6504
NSN 7035-01-315-9754
NSN 5855-01-554-3303