National Stock Number
6540-01-040-7144
National Stock Number (NSN) 6540-01-040-7144, or NIIN 010407144, (tonometer,ophthalmic) was assigned May 12, 1977 in the Federal Logistics Information System (FLIS). NIIN 010407144 was cancelled on May 2, 2003, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6540014954276. 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, there are no suppliers that are 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) 34762. [AN INSTRUMENT FOR MEASURING INTRAOCULAR PRESSURE BY DETERMINATION OF THE RESISTANCE OF THE EYEBALL TO INDENTATION BY AN APPLIED FORCE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6540010407144 does not contain precious metals.
This information was last updated on Aug 01, 2025.