National Stock Number
6540-00-164-5002
National Stock Number (NSN) 6540-00-164-5002, or NIIN 001645002, (lens,ophthalmic,compound) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 001645002 was cancelled on April 2, 2012, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 04121. [A TRANSPARENT OPTICAL ELEMENT HAVING A SPHERICAL CURVE AND A CYLINDRICAL CURVE USED TO CORRECT VISION DEFECTS OF THE EYE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6540001645002 does not contain precious metals.
This information was last updated on Jul 01, 2025.