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 6645-00-825-5677
NSN 5915-01-376-7687
NSN 6110-00-442-3497
NSN 5990-00-001-7588
NSN 6620-01-338-2995
NSN 5915-01-601-0645
NSN 5996-00-432-5171
NSN 5925-01-206-1117
NSN 6150-01-090-0720
NSN 6135-01-603-8367
NSN 7035-01-049-6776
NSN 5930-01-162-7950