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 5990-00-147-3144
NSN 6135-01-602-8383
NSN 6240-01-476-4658
NSN 6150-00-117-7867
NSN 5945-00-583-3283
NSN 2925-01-463-8856
NSN 5975-01-509-6334
NSN 6685-01-323-5272
NSN 6145-01-129-2836
NSN 6240-00-949-4849
NSN 6610-00-943-3136
NSN 5960-01-370-4285