>> Search results for: AEROSOLANALYSISMONITOR NSN Search Results National Stock Number (NSN) Description 6640-01-170-2851, 6640011702851 FILTER UNIT,MICROPOROUS 6640-01-188-5423 , 6640011885423 FILTER UNIT,MICROPOROUS 6640-01-267-5857, 6640012675857 FILTER UNIT,MICROPOROUS 6640-01-318-0497 , 6640013180497 FILTER UNIT,MICROPOROUS 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information