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 6145-01-465-1482
NSN 5990-00-296-4825
NSN 4140-01-370-3262
NSN 5998-01-351-8567
NSN 5985-00-230-5761
NSN 5855-01-541-5569
NSN 6220-01-045-9091
NSN 5935-01-328-0181
NSN 5990-01-522-6096
NSN 5975-01-069-2196
NSN 5960-00-984-1871
NSN 5990-01-056-6413