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 5835-00-885-6030
NSN 6130-00-794-4149
NSN 5930-01-139-0777
NSN 2925-00-912-3993
NSN 5930-00-607-0298
NSN 7035-00-445-9657
NSN 5895-00-480-3254
NSN 5975-01-074-5768
NSN 5950-00-959-3285
NSN 5990-01-166-2237
NSN 5965-00-686-7067
NSN 5950-01-063-7875