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 copper having a pressure rating of 850 kpa or over
NSN 2925-00-969-8340
NSN 5965-00-412-4402
NSN 6150-01-004-8509
NSN 6145-01-363-9167
NSN 5960-01-221-9464
NSN 5999-01-408-7605
NSN 5985-01-447-3043
NSN 6320-01-108-5933
NSN 6650-01-145-5173
NSN 6620-00-553-8854
NSN 5960-00-018-3477
NSN 6135-01-462-6040