National Stock Number
5640-01-443-7554
National Stock Number (NSN) 5640-01-443-7554, or NIIN 014437554, (insulation block,thermal) was assigned April 17, 1997 in the Federal Logistics Information System (FLIS). NIIN 014437554 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 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 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 assigned to Item Name Code (INC) 15117. [A RIGID ITEM DESIGNED TO PROVIDE LOW THERMAL CONDUCTIVITY. IT IS COMPOSED OF ONE OR MORE KINDS OF GRANULES AND/OR FIBER WITH BINDER ADDED, AND HAS NO SPECIFIC SURFACE PERFORATIONS, FISSURES, SLOTS OR THE LIKE. IT IS SUPPLIED IN LENGTHS UP TO AND INCLUDING 36 INCHES (914.4 MM). FOR LONGER ITEMS, SEE INSULATION BOARD, THERMAL. EXCLUDES:BUILDING BOARD (AS MODIFIED); MILLBOARD, ASBESTOS; ASBESTOS SHEET, COMPRESSED; CORK SHEET; CORK AND RUBBER SHEET; 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 5640014437554 does not contain precious metals.
This information was last updated on Apr 01, 2024.