National Stock Number
6540-01-643-3392
National Stock Number (NSN) 6540-01-643-3392, or NIIN 016433392, (lens,condensing) was assigned March 30, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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 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 3 different suppliers. The last contract numbers awarded were: SPE2DS25V2851, SPE2DS24V006H, SPE2DS18V3006, SPE2DS18V2372, SPE2DS17V2882. The total value of the awarded contracts has been US$ 2,518.55.
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 Apr 03, 2015, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 53019. [AN ITEM USED IN CONJUNCTION WITH A SLIT LAMP FOR VIEWING THE POSTERIOR POLE OF THE RETINA.]. 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 6540016433392 does not contain precious metals.
This NSN is associated to Schedule B 9001901000: lenses, prisms, and mirrors, unmounted, nesoi. The Schedule B End Use is listed as cell phones and other household goods, n.e.c.. NAICS classification category 333314: optical instrument and lens manufacturing.
This information was last updated on Aug 01, 2025.