National Stock Number
5640-01-663-8743
National Stock Number (NSN) 5640-01-663-8743, or NIIN 016638743, (insulation tape,thermal) was assigned May 25, 2017 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 one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 15122. [A MATERIAL 12 INCHES (304.8 MM) OR LESS IN WIDTH CONSISTING OF A JACKET WOVEN OF ASBESTOS OR OTHER HEAT RESISTING FIBERS FILLED WITH FIBERS OF INSULATION, THERMAL. IT IS NORMALLY USED FOR WRAPPING HIGH TEMPERATURE PIPES. FOR MATERIALS 12 INCHES (304.8 MM) OR LESS IN WIDTH, NOT OF FILLED JACKET CONSTRUCTION, SEE TAPE, TEXTILE; ASBESTOS STRIP, WOVEN; AND ASBESTOS STRIP, COMPRESSED.]. 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 5640016638743 does not contain precious metals.
This information was last updated on Aug 01, 2025.