>> Search results for: MILL16991A NSN Search Results National Stock Number (NSN) Description 6540-00-764-2256, 6540007642256 LENS,OPHTHALMIC,SPHERE 6540-00-764-2257 , 6540007642257 LENS,OPHTHALMIC,SPHERE 6540-00-764-2259, 6540007642259 LENS,OPHTHALMIC,SPHERE 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