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 5855-01-175-2465
NSN 5915-01-138-9991
NSN 5975-01-381-1751
NSN 6220-01-549-8938
NSN 5950-01-487-6362
NSN 6645-00-330-2813
NSN 5930-00-035-4739
NSN 5990-01-525-2250
NSN 7035-01-253-2868
NSN 6150-01-028-4937
NSN 5950-00-503-5418
NSN 6110-00-466-1674