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 5965-00-139-4870
NSN 6650-00-767-7597
NSN 5965-00-147-3070
NSN 5985-01-319-6856
NSN 7035-01-319-7066
NSN 6150-00-215-0790
NSN 4140-01-602-8454
NSN 5998-01-380-7867
NSN 6220-01-450-5362
NSN 6220-01-214-3650
NSN 6240-01-087-2083
NSN 4140-01-204-7025