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 5975-00-724-3147
NSN 6110-00-571-1749
NSN 5945-00-883-7703
NSN 5996-00-186-8709
NSN 5925-00-369-7747
NSN 7035-00-896-3213
NSN 4140-01-429-8545
NSN 5930-00-406-3098
NSN 6650-01-539-6634
NSN 5945-00-467-5247
NSN 5985-01-450-9933
NSN 5950-01-579-7064