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 4140-01-511-2674
NSN 5835-01-189-6095
NSN 5999-00-366-9233
NSN 5905-00-997-2215
NSN 5950-00-511-3304
NSN 6110-01-633-9660
NSN 5965-00-424-9636
NSN 6650-01-633-9147
NSN 2925-00-676-2442
NSN 6135-00-913-2062
NSN 6685-01-611-4058
NSN 6130-01-420-5965