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 5996-01-143-5779
NSN 6240-00-010-1124
NSN 2925-01-063-7876
NSN 5998-00-007-1879
NSN 2925-01-400-2286
NSN 5895-00-034-3937
NSN 6240-00-781-9899
NSN 5925-00-517-0271
NSN 5895-00-441-0952
NSN 2925-00-716-9596
NSN 6130-01-483-6804
NSN 6620-01-498-2052