>> Search results for: AA53890 NSN Search Results National Stock Number (NSN) Description 6640-00-558-0575, 6640005580575 Cancelled -> Replaced by 6640000640911 6640-00-558-0581 , 6640005580581 Cancelled -> Replaced by 6640000640913 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