National Stock Number
6540-01-458-7838
National Stock Number (NSN) 6540-01-458-7838, or NIIN 014587838, (tonometer,ophthalmic) was assigned September 10, 1998 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE2DS22P1153, SPE2DS22P1153, SPE2DS21P2115, SPE2DS21V6141, SPE2DS21V6141. The total value of the awarded contracts has been US$ 26,692.27.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 27, 2007, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
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 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 6540014587838 does not contain precious metals.
This information was last updated on Jul 01, 2025.