National Stock Number
6650-00-399-1593
National Stock Number (NSN) 6650-00-399-1593, or NIIN 003991593, (eye piece assembly) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003991593 was cancelled on May 3, 2002, 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) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6650003991593 does not contain precious metals.
This information was last updated on Aug 01, 2025.