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 5895-01-509-6429
NSN 5925-01-420-9300
NSN 5998-00-054-6589
NSN 5950-00-716-0580
NSN 5965-00-201-7479
NSN 5985-01-504-6677
NSN 5835-00-703-3601
NSN 6110-00-143-9931
NSN 5996-01-360-9877
NSN 5985-01-534-0247
NSN 5990-01-370-4785
NSN 6650-00-202-4540