>> Search results for: AA1994 NSN Search Results National Stock Number (NSN) Description 4240-00-270-4415, 4240002704415 SHIELD,ARC VIEWING,HANDHELD 4240-00-540-0623 , 4240005400623 Cancelled -> Replaced by 4240008680102 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