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 5835-00-233-6327
NSN 6240-01-228-6289
NSN 5950-00-828-6102
NSN 5930-01-207-0601
NSN 6220-01-065-3765
NSN 5930-01-128-9997
NSN 5835-01-623-3328
NSN 5915-01-169-9882
NSN 5905-01-078-6638
NSN 6240-01-302-6537
NSN 6240-01-328-0718
NSN 5945-00-426-0777