National Stock Number
1660-00-408-0852
National Stock Number (NSN) 1660-00-408-0852, or NIIN 004080852, (valve,ram air) was assigned January 22, 1972 in the Federal Logistics Information System (FLIS). NIIN 004080852 was cancelled on March 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1660013147873. This NSN does not replace any other NSNs.
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.
This NSN is assigned to Item Name Code (INC) 77777. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660004080852 does not contain precious metals.
This information was last updated on Jul 01, 2025.