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 5915-01-408-7411
NSN 5895-00-278-8092
NSN 5999-01-332-6106
NSN 6110-00-325-4519
NSN 5855-01-634-0259
NSN 5998-01-034-6005
NSN 6240-01-420-8320
NSN 5965-00-790-6539
NSN 5855-01-491-0140
NSN 5915-01-457-6506
NSN 5975-00-690-9061
NSN 6105-00-433-1273