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 6145-00-078-9917
NSN 5905-01-245-0407
NSN 5945-01-044-3779
NSN 5945-00-779-9199
NSN 5905-00-574-4239
NSN 5985-00-740-7154
NSN 6650-01-380-1394
NSN 6145-00-757-2742
NSN 6320-01-149-8865
NSN 6110-01-072-7883
NSN 5996-01-332-3876
NSN 6620-01-479-2352