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 6105-01-613-9315
NSN 5996-00-960-1958
NSN 5895-00-563-7952
NSN 5996-00-135-1548
NSN 5960-01-458-6484
NSN 5905-00-358-7581
NSN 5945-01-481-9061
NSN 5999-01-044-4498
NSN 5985-01-528-5349
NSN 5835-01-112-4725
NSN 5975-01-043-1210
NSN 5835-01-307-8338