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 5985-01-613-5243
NSN 5975-01-494-9453
NSN 7035-00-803-3056
NSN 6240-01-278-8802
NSN 2925-00-441-8252
NSN 5920-01-193-1356
NSN 5930-01-322-8575
NSN 6105-01-461-9117
NSN 5895-01-595-2187
NSN 5835-00-711-3371
NSN 6650-01-437-0855
NSN 5925-01-368-5442