National Stock Number
5640-00-690-8402
National Stock Number (NSN) 5640-00-690-8402, or NIIN 006908402, (cement insulation,h) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). 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 2 suppliers. 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.
This NSN is assigned to Item Name Code (INC) 77777. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5640006908402 does not contain precious metals.
This information was last updated on Aug 01, 2025.