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 5960-00-185-5041
NSN 6110-01-349-8680
NSN 5945-01-417-6966
NSN 6240-01-123-0968
NSN 6685-00-301-9970
NSN 7035-01-103-3342
NSN 5930-01-343-0846
NSN 6105-01-457-3333
NSN 6150-01-369-0622
NSN 5960-01-641-3788
NSN 6220-01-485-0333
NSN 6685-00-596-8765