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 5835-00-583-1316
NSN 6240-00-541-7032
NSN 5950-01-024-6029
NSN 5855-00-198-3197
NSN 6610-01-144-0719
NSN 5985-01-115-7942
NSN 5998-01-185-8455
NSN 6240-01-433-7512
NSN 5910-01-544-0343
NSN 5905-01-526-2157
NSN 5910-01-086-3306
NSN 6135-01-538-7086