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 5996-01-592-3011
NSN 5985-01-391-6074
NSN 5855-01-387-5224
NSN 6110-00-839-8026
NSN 6320-01-294-7161
NSN 5895-01-024-9573
NSN 5960-01-331-3817
NSN 6645-00-883-8086
NSN 5960-01-543-0235
NSN 5985-01-392-0926
NSN 6685-01-552-1434
NSN 5945-00-954-0471