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 materials other than copper, iron or steel
NSN 6320-01-173-7950
NSN 5935-00-030-0240
NSN 6620-01-601-7491
NSN 6650-01-555-8349
NSN 4140-01-412-8049
NSN 5960-01-536-9763
NSN 5855-01-568-1532
NSN 6685-01-330-3930
NSN 5985-01-290-1918
NSN 6320-01-643-0850
NSN 2925-00-483-7032
NSN 5855-01-447-3137