National Stock Number
6540-01-314-6990
National Stock Number (NSN) 6540-01-314-6990, or NIIN 013146990, (lens,ophthalmic,compound) has an unknown assigned date. NIIN 013146990 was cancelled on September 2, 1990, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 6540011040030. 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6540013146990 does not contain precious metals.
This information was last updated on Aug 01, 2025.