National Stock Number
6640-00-471-5677
National Stock Number (NSN) 6640-00-471-5677, or NIIN 004715677, (drying chamber,vacuum) was assigned January 11, 1971 in the Federal Logistics Information System (FLIS). NIIN 004715677 was cancelled on December 28, 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 are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 19429. [AN ITEM MADE OF GLASS OR METAL AND CONSISTING OF A TEST TUBE-LIKE CONTAINER WHICH FORMS PART OF A DRYING ASSEMBLY WHEN CONNECTED TO A VACUUM CHAMBER. THE CONTAINER MAY BE SURROUNDED BY A CONSTANT TEMPERATURE JACKET IN WHICH HEATED OR COOLED VAPORS CIRCULATE. THE JACKET HAS AN INLET AND OUTLET IN THE FORM OF SIDE-ARMS.]. 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 6640004715677 does not contain precious metals.
This information was last updated on Jul 01, 2025.