National Stock Number
1660-01-531-4201
National Stock Number (NSN) 1660-01-531-4201, or NIIN 015314201, (insulation blanket,thermal,aircraft) was assigned July 7, 2005 in the Federal Logistics Information System (FLIS). NIIN 015314201 was cancelled on May 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1680015785842. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 51634. [A FLEXIBLE ITEM COMPOSED OF ONE OR MORE KINDS OF FIBERS PREFABRICATED INTO VARIOUS SHAPES AND SIZES. IT MAY HAVE A VAPOR BARRIER AND IS COVERED ON ONE OR BOTH SIDES WITH A JACKET MATERIAL SUCH AS VINYL OR OTHER SHEET MATERIAL. IT MAY HAVE MOUNTING PROVISIONS SUCH AS HOLES OR SNAPS TO FACILITATE INSTALLATION. IT IS DESIGNED TO COVER AIR CONDITIONING, HEATING, COOLING, PRESSURIZING, DE-ICING COMPONENTS AND AIR DUCTS TO PREVENT OR REDUCE THE TRANSFER OF HEAT. EXCLUDES:RIGID AIR DUCT COVERINGS AND INSULATION MATERIAL SUPPLIED IN FLAT SHEETS OR ROLLS. EXCLUDES:INSULATION PIPE COVERING,THERMAL,AIRCRAFT AND INSULATION BLANKET,THERMAL.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660015314201 does not contain precious metals.
This information was last updated on Aug 01, 2025.