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 5998-01-352-2493
NSN 5950-00-073-0528
NSN 5950-01-162-7174
NSN 6145-00-106-0611
NSN 5895-01-449-2804
NSN 5920-01-185-2222
NSN 5915-01-219-9088
NSN 5915-00-012-4231
NSN 6150-01-442-5736
NSN 6105-00-492-6159
NSN 5990-01-629-4694
NSN 5915-00-365-9951