A replaceable device designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by porous material (metallic or non-metallic), stacked disks, wound wire, or the like, constructed so the fluid can flow through the device while the solid particles are retained. It may be designed to fit into a filter, fluid (or similar cavity), or it may have an integral outer casing and mounting facilities and be designed to connect directly to an engine, compressor, or the like. The degree of removal of particles must be nominally rated at less than 50 microns or absolutely rated at less than 75 microns. Excludes filter element, air conditioning. See also strainer element, sediment.
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Italy 
Norway Classification: Filtering or purifying machinery and apparatus for liquids, nesoi
NSN 5895-01-470-9864
NSN 6620-01-185-2524
NSN 5960-00-624-0133
NSN 5920-01-531-0014
NSN 5925-01-633-1853
NSN 2925-01-291-9997
NSN 5925-01-060-3403
NSN 5975-01-217-8545
NSN 4140-01-410-8938
NSN 2925-00-335-7119
NSN 5965-01-141-6485
NSN 6105-00-223-3719