National Stock Number
6640-00-494-3858
National Stock Number (NSN) 6640-00-494-3858, or NIIN 004943858, (flask,boiling) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004943858 was cancelled on January 2, 2014, 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 are 2 manufacturer part numbers associated with this NSN. One 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, 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 Apr 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 16770. [A GLOBE-SHAPED VESSEL WITH A NECK, AND A FLAT OR ROUND BOTTOM, DESIGNED TO CONTAIN SUBSTANCES TO BE HEATED OR BOILED. ITS MOUTH MAY BE DESIGNED TO ACCOMMODATE EITHER A RUBBER STOPPER OR A GROUND JOINT. FOR FLASKS HAVING MORE THAN ONE NECK, SEE FLASK, DISTILLING.]. 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 6640004943858 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.