National Stock Number
6636-00-490-6983
National Stock Number (NSN) 6636-00-490-6983, or NIIN 004906983, (chamber,environmental testing) was assigned September 24, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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) 39657. [A CHAMBER DESIGNED EXCLUSIVELY TO PERFORM CONTROLLED TESTS UNDER SIMULATED ENVIRONMENTAL CONDITIONS TO DETERMINE PHYSICAL CHANGES OR DAMAGE TO ITEMS UNDER TEST DUE TO HUMIDITY, IMMERSION, MOISTURE, ALTITUDE THERMAL SHOCK, SAND, DUST, AND THE LIKE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6636004906983 does not contain precious metals.
This information was last updated on Aug 01, 2025.