National Stock Number
5640-01-389-3540
National Stock Number (NSN) 5640-01-389-3540, or NIIN 013893540, (insulation board,thermal) was assigned April 22, 1994 in the Federal Logistics Information System (FLIS). NIIN 013893540 was cancelled on May 1, 2010, 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 no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for 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) 15118. [AN ITEM IDENTICAL IN CONSTRUCTION TO INSULATION BLOCK, THERMAL EXCEPT THAT IT IS SUPPLIED IN LENGTHS GREATER THAN 36 INCHES (914.4 MM). EXCLUDES:BUILDING BOARD (AS MODIFIED). MILLBOARD, ASBESTOS; ASBESTOS SHEET, COMPRESSED; CORK SHEET; CORK AND RUBBERSHEET; AND FIBERBOARD (AS MODIFIED). SEE ALSO INSULATION BLANKET, THERMAL.]. 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 5640013893540 does not contain precious metals.
This information was last updated on Jul 01, 2025.