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 4140-00-146-3269
NSN 6135-01-502-5787
NSN 5910-01-154-8164
NSN 6135-01-041-3829
NSN 5935-01-184-0771
NSN 5930-00-510-7647
NSN 5855-01-342-3824
NSN 5998-00-845-4873
NSN 5965-01-441-3876
NSN 6150-01-130-9337
NSN 6240-00-221-0859
NSN 2925-00-587-0672