National Stock Number
5640-00-291-7451
National Stock Number (NSN) 5640-00-291-7451, or NIIN 002917451, (insulation blanket,thermal) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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) 15120. [A FLEXIBLE MATERIAL COMPOSED OF ONE OR MORE KINDS OF FIBER, WITH OR WITHOUT BINDER ADDED, SUPPLIED IN FLAT SHEETS OR ROLLS. IT MAY HAVE A VAPOR BARRIER OR REINFORCING MATERIAL SUCH AS PAPER, WOVEN WIRE OR OTHER SHEET MATERIAL AFFIXED TO ONE OR BOTH SIDES. IT IS DESIGNED TO PROVIDE RESISTANCE TO THE FLOW OF HEAT, AND MUST BE RATED FOR THIS USE. EXCLUDES:INSULATION COMPONENTS PREFABRICATED INTO DEFINITE SHAPES AND SIZES USED IN AIRCRAFT APPLICATIONS. EXCLUDES:INSULATION BLANKET,THERMAL,AIRCRAFT.]. 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 5640002917451 does not contain precious metals.
This information was last updated on Aug 01, 2025.