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 5915-01-463-2283
NSN 6135-01-549-5587
NSN 6150-00-853-0185
NSN 6610-00-420-8475
NSN 6685-01-634-0611
NSN 6145-00-713-5189
NSN 5915-01-023-4882
NSN 5965-01-654-1685
NSN 5855-01-611-5768
NSN 7035-01-607-5834
NSN 5855-01-499-6147
NSN 5965-01-165-7496