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 5935-01-527-9075
NSN 5920-00-687-1812
NSN 5920-01-088-8312
NSN 6220-00-682-8292
NSN 7035-00-481-5182
NSN 5950-00-492-5874
NSN 6145-01-053-2969
NSN 6130-00-684-6773
NSN 6240-00-161-8099
NSN 6105-01-430-2227
NSN 5950-01-299-1035
NSN 5960-01-641-5493