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 5996-01-136-9353
NSN 6110-01-228-2887
NSN 5960-00-416-6016
NSN 5985-00-974-3077
NSN 5855-00-247-7219
NSN 5930-01-323-3974
NSN 5950-01-176-9826
NSN 6240-01-313-9000
NSN 7035-01-097-8704
NSN 5935-00-871-7786
NSN 5930-00-692-9258
NSN 6220-00-943-7834