National Stock Number
5640-00-786-2229
National Stock Number (NSN) 5640-00-786-2229, or NIIN 007862229, (insulation felt,thermal) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. 2 of those 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. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E625P0688. The total value of the awarded contracts has been US$ 13,145.00.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 20232. [A FLEXIBLE OR SEMIRIGID MATERIAL COMPOSED OF ONE OR MORE KINDS OF FIBER WITH AN ADDED BINDER, SUPPLIED IN FLAT SHEETS OR ROLLS. IT IS DESIGNED TO OFFER RESISTANCE TO THE FLOW OF HEAT, AND MUST BE RATED FOR THIS USE. FOR FELTED INSULATION WITH PAPER OR OTHER SHEET MATERIAL AFFIXED TO ONE OR BOTH SIDES, SEE INSULATION BLANKET, THERMAL. EXCLUDES:FELT SHEET AND FELT STRIP.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5640007862229 does not contain precious metals.
This NSN is associated to Schedule B 5602903000: felt, whether or not impregnated, coated, covered or laminated: laminated fabrics. The Schedule B End Use is listed as finished textile supplies. NAICS classification category 313230: nonwoven fabric mills.
This information was last updated on Aug 01, 2025.