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 6610-01-141-7014
NSN 5985-01-126-1711
NSN 5920-01-249-7616
NSN 5975-00-803-2536
NSN 6685-01-444-2235
NSN 5945-00-432-0052
NSN 5965-01-138-1865
NSN 5960-01-360-4107
NSN 6650-01-454-3678
NSN 6685-01-298-4665
NSN 6135-01-480-4579
NSN 5835-01-381-2683