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 5895-00-563-1672
NSN 5965-01-457-9410
NSN 5855-01-500-2531
NSN 5910-01-227-1272
NSN 5920-00-939-6970
NSN 5975-00-162-9530
NSN 4140-01-140-9727
NSN 6110-01-448-1191
NSN 5945-00-145-3714
NSN 5835-01-498-9410
NSN 5915-00-896-3111
NSN 5945-01-027-4391