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 5910-00-819-6850
NSN 5975-01-516-9281
NSN 5960-01-553-4557
NSN 6130-01-341-4317
NSN 5999-01-382-0898
NSN 6110-00-880-6376
NSN 6240-01-389-3309
NSN 5920-00-445-3585
NSN 5930-01-440-9731
NSN 5895-01-193-2197
NSN 5910-00-902-1186
NSN 6320-00-164-4087