National Stock Number
6640-01-327-5552
National Stock Number (NSN) 6640-01-327-5552, or NIIN 013275552, (shield,heat,distilling flask) was assigned October 17, 1990 in the Federal Logistics Information System (FLIS). NIIN 013275552 was cancelled on December 25, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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.
This NSN is assigned to Item Name Code (INC) 13352. [A FLAT PIECE OF FIREPROOF MATERIAL WITH A HOLE IN THE CENTER DESIGNED PRIMARILY TO EXPOSE ONLY THE SPECIFIED AREA OF A FLASK BOTTOM TO THE HEAT SOURCE USED IN DISTILLATION TESTS. THE CENTER HOLE MAY HAVE A BEVEL RECESS AT THE TOP.]. 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 6640013275552 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.