National Stock Number
6636-01-142-7973
National Stock Number (NSN) 6636-01-142-7973, or NIIN 011427973, (chamber,environmental testing) was assigned November 20, 1982 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. None of the associated 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 10, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
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 6636011427973 does not contain precious metals.
This information was last updated on Aug 01, 2025.