National Stock Number
6640-00-403-2000
National Stock Number (NSN) 6640-00-403-2000, or NIIN 004032000, (no item name available) has an unknown assigned date. NIIN 004032000 was cancelled on February 25, 1973, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 6640008900881. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 6640002906824, 6640002648321, 6640005268494, 6640005458513, 6640008838512.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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 6640004032000 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.