Prevents backflow
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 5930-00-394-9909
NSN 6620-00-035-5813
NSN 5950-01-458-5558
NSN 5930-00-687-2288
NSN 6650-00-411-1403
NSN 6320-00-139-1090
NSN 5985-01-145-4673
NSN 5855-00-149-0766
NSN 5996-01-185-2995
NSN 5905-00-762-8607
NSN 6685-01-595-3495
NSN 6650-01-433-0040