National Stock Number
1660-01-129-8492
National Stock Number (NSN) 1660-01-129-8492, or NIIN 011298492, (insulation blanket,thermal,aircr) was assigned November 9, 2020 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment.NIIN 011298492 was cancelled on February 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1660013080055. 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 18 contracts issued for this part number, with 18 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4AX25F5486, SPE4AX25F4222, SPE4AX25F2723, SPE4AN25F0004, SPE4A724V3165. The total value of the awarded contracts has been US$ 369,532.07.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 139,567.
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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660011298492 does not contain precious metals.
This information was last updated on Aug 01, 2025.