National Stock Number (NSN) 6210-00-497-9957, or NIIN 004979957, (lens,light) was assigned October 10, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, with the most recent procurement date of Nov 01, 2018. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A519F4362, SPE4A518F010T. The total value of the awarded contracts has been US$ 2,000.04.
This NSN is somewhat common among different platforms, belonging to 10 different weapons systems.
There has been very little 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 Dec 20, 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. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 29939. [A TRANSPARENT OR TRANSLUCENT ITEM DESIGNED TO ENCLOSE OR BE PLACED IN FRONT OF A LIGHT SOURCE. SECTIONS OF THE LENS MAY BE OPAQUE. IT MAY OR MAY NOT INCLUDE A HOLDER. IT IS DESIGNED TO BE EITHER A REPLACEMENT UNIT FOR A SPECIFIC TYPE OF LIGHT, SUCH AS LIGHT, INDICATOR; LIGHT, NAVIGATIONAL, MARINE; STOP LIGHT, VEHICULAR; AND LANTERN, ELECTRIC OR THAT PORTION OF A SWITCH, (AS MODIFIED) USED AS AN ACTUATOR AND HAVING PROVISIONS FOR ILLUMINATION. SEE ALSO, WINDOW, LIGHTING FIXTURE; GLOBE; ELECTRIC LIGHT; AND FILTER (2), (AS MODIFIED).]. 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 6210004979957 does not contain precious metals.
This NSN is associated to Schedule B 9405990000: parts for lamps and lighting fittings, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335129: other lighting equipment manufacturing.
This information was last updated on Aug 01, 2025.