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 5905-01-270-2704
NSN 5895-01-408-9707
NSN 6220-01-314-5896
NSN 5930-01-412-1098
NSN 6650-01-431-3649
NSN 5905-01-396-5603
NSN 5895-00-311-1674
NSN 5905-01-605-3834
NSN 4140-01-247-7758
NSN 5975-00-368-4679
NSN 5915-00-549-1098
NSN 5999-01-319-5345