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 5998-01-569-3044
NSN 6145-00-972-9782
NSN 5895-00-968-1488
NSN 6620-01-397-1085
NSN 2925-00-251-0105
NSN 5910-01-462-4349
NSN 5996-01-580-0582
NSN 6150-00-081-7216
NSN 5915-00-389-1126
NSN 5945-01-386-4660
NSN 5985-01-338-7673
NSN 6620-01-391-7331