>> Search results for: DUSTBLOCKER NSN Search Results National Stock Number (NSN) Description 4140-01-423-1760, 4140014231760 FILTER,FAN 4140-01-423-1761 , 4140014231761 FILTER,FAN 4140-01-428-9282, 4140014289282 FILTER,FAN 4140-01-428-9266 , 4140014289266 FILTER,FAN 4140-01-428-9258, 4140014289258 FILTER,FAN 4140-01-428-9248 , 4140014289248 FILTER,FAN 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