>> Search results for: FFA400 NSN Search Results National Stock Number (NSN) Description 4240-01-485-6184, 4240014856184 FAN FILTER ASSEMBLY 4240-01-579-1957 , 4240015791957 FAN FILTER ASSEMBLY 4240-01-571-5662, 4240015715662 FILTER,GAS-PARTICULATE 4230-01-530-3254 , 4230015303254 FFA400 RETROFIT KIT 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