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 6135-00-471-5356
NSN 6220-01-095-4860
NSN 6110-01-328-5258
NSN 6150-00-982-2785
NSN 6110-01-363-8818
NSN 5835-01-351-3425
NSN 6135-00-351-8606
NSN 5925-01-651-3059
NSN 5855-01-059-2710
NSN 2925-01-411-4666
NSN 5950-01-220-5440
NSN 5935-01-417-2120