National Stock Number
6540-01-248-7520
National Stock Number (NSN) 6540-01-248-7520, or NIIN 012487520, (marker,ophthalmic lens) was assigned January 31, 1987 in the Federal Logistics Information System (FLIS). NIIN 012487520 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 28331. [AN INSTRUMENT FOR MARKING THE CUTTING AXIS AND CENTER ON SINGLE VISION AND MULTIFOCAL LENSES. FOR INSTRUMENTS USED FOR MEASURING LENS CHARACTERISTICS, AS WELL AS FOR MARKING THE CUTTING AXIS AND CENTER, SEE LENS MEASURING INSTRUMENT, OPHTHALMIC.]. 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 6540012487520 does not contain precious metals.
This information was last updated on Jul 01, 2025.