National Stock Number
5640-01-058-9505
National Stock Number (NSN) 5640-01-058-9505, or NIIN 010589505, (insulation,thermal) was assigned April 4, 1978 in the Federal Logistics Information System (FLIS). NIIN 010589505 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those 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.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 04923. [A LOOSE MASS OF GLASS WOOL, MINERAL WOOL, VEGETABLE FIBERS, OR DIATOMACEOUS EARTH AS ORIGINALLY PROCESSED WITHOUT REGARD TO FORM OR DIMENSIONS, PRIMARILY DESIGNED AS LOOSE FILL FOR OFFERING RESISTANCE TO THE FLOW OF HEAT. DO NOT USE IF A MORE SPECIFIC ITEM NAME EXISTS. EXCLUDES:ELECTRICAL INSULATING COMPOUNDS AND CORK STRIP.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5640010589505 does not contain precious metals.
This information was last updated on Jun 01, 2025.