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 6650-00-546-9641
NSN 5945-00-615-8841
NSN 6650-01-480-5443
NSN 5915-01-568-1757
NSN 5996-01-497-6996
NSN 5905-00-591-2247
NSN 6220-01-634-0660
NSN 5960-00-222-7772
NSN 5999-01-385-9371
NSN 6240-01-541-6009
NSN 6150-00-246-6673
NSN 6685-01-579-4791