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 5975-01-634-0678
NSN 5910-01-200-2691
NSN 4140-01-183-4140
NSN 5935-01-231-1182
NSN 6240-01-447-3779
NSN 4140-01-609-1489
NSN 6130-00-894-9604
NSN 6150-00-220-5154
NSN 5965-01-345-1885
NSN 6240-01-346-8215
NSN 5935-00-351-3801
NSN 6645-01-633-1852