Back pressure valve/anti-siphon valve
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.
Classification: Check valves of steel
NSN 6610-00-896-4914
NSN 6150-00-900-4984
NSN 5950-01-349-0254
NSN 5920-00-504-8634
NSN 5996-00-519-8517
NSN 5999-01-081-7300
NSN 6130-00-920-3295
NSN 5935-01-043-5861
NSN 4140-01-193-8102
NSN 5945-00-393-0137
NSN 6130-00-548-2952
NSN 5999-01-288-2343