National Stock Number
1660-00-403-7878
National Stock Number (NSN) 1660-00-403-7878, or NIIN 004037878, (housing,air outlet,aircraft) was assigned January 20, 1972 in the Federal Logistics Information System (FLIS). NIIN 004037878 was cancelled on September 2, 1995, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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) 45159. [AN ITEM DESIGNED FOR HOUSING COMPONENTS FOR THE DISPERSEMENT OF AIR IN AIRCRAFT ENVIRONMENTAL SYSTEMS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660004037878 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.