National Stock Number
5640-01-607-8243
National Stock Number (NSN) 5640-01-607-8243, or NIIN 016078243, (fiber,ceramic) was assigned June 15, 2012 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 16, 2012, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 50655. [A LOOSE MASS OF FINE FIBERS COMPOSED PRINCIPALLY OF AN ALUMINUM-SILICATE COMPOSITION DESIGNED TO ENHANCE THE THERMAL RESISTANCE CAPABILITY OF VARIOUS OTHER MATERIALS.]. 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 5640016078243 does not contain precious metals.
This information was last updated on Aug 01, 2025.