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 6240-01-417-8792
NSN
NSN 5945-00-452-6782
NSN 5998-01-611-1974
NSN 5920-01-105-0684
NSN 6650-01-384-1657
NSN 6130-01-160-8615
NSN 5935-00-897-2209
NSN 5950-01-242-9557
NSN 5895-01-645-1253
NSN 5975-01-361-8857
NSN 5999-01-102-9050