National Stock Number
6650-00-420-6321
National Stock Number (NSN) 6650-00-420-6321, or NIIN 004206321, (mirror,optical instrument) was assigned March 7, 1969 in the Federal Logistics Information System (FLIS). NIIN 004206321 was cancelled on April 2, 1995, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 21887. [A MIRROR SPECIFICALLY DESIGNED FOR USE IN AN OPTICAL INSTRUMENT. ITS SURFACE MAY BE COATED TO REDUCE REFLECTION. EXCLUDES:PRISM, OPTICAL INSTRUMENT.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6650004206321 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.