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 5835-01-041-8104
NSN 5998-01-192-1396
NSN 5935-00-631-1787
NSN 6620-01-519-7234
NSN 5920-01-027-0660
NSN 5915-00-985-3810
NSN 6105-01-242-9592
NSN 5895-01-314-9762
NSN 6620-01-567-7456
NSN 5985-01-110-4789
NSN 6220-01-623-1883
NSN 5975-01-210-6636