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 6650-01-543-0588
NSN 5950-01-274-8508
NSN 5910-01-093-3135
NSN 7035-01-044-0136
NSN 6620-01-365-1499
NSN 5910-01-524-4876
NSN 5990-01-374-1994
NSN 5915-01-024-2384
NSN 2925-00-596-9775
NSN 5998-01-144-6874
NSN 5930-01-146-9649
NSN 7035-01-062-0184