National Stock Number
6636-01-275-8491
National Stock Number (NSN) 6636-01-275-8491, or NIIN 012758491, (chamber,environmental testing) was assigned March 28, 1988 in the Federal Logistics Information System (FLIS). NIIN 012758491 was cancelled on December 16, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, only one supplier is 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 6636012758491 does not contain precious metals.
This information was last updated on Jul 01, 2025.