>> Search results for: A1540A NSN Search Results National Stock Number (NSN) Description 3110-00-157-0439, 3110001570439 Cancelled -> Replaced by 3110005543101 5310-00-423-8021 , 5310004238021 NUT,ADJUSTING 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