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 6105-01-333-1605
NSN 5910-01-650-3405
NSN 5965-00-228-8336
NSN 5910-01-359-3284
NSN 5930-01-400-6126
NSN 5920-00-994-0558
NSN 5996-01-570-2796
NSN 5935-01-606-4243
NSN 6135-01-408-0313
NSN 5960-01-570-8605
NSN 5960-00-960-6805
NSN 5960-00-525-1898