National Stock Number
1660-00-631-5879
National Stock Number (NSN) 1660-00-631-5879, or NIIN 006315879, (diffuser,air,aircraft heating and ventilating) has an unknown assigned date. NIIN 006315879 was cancelled on September 23, 1999, 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 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) 60400. [A DEVICE FOR INSTALLATION IN AIRCRAFT, USED IN VARYING DESIGNS TO EFFECT THE PROPER DISTRIBUTION OF VENTILATED OR HEATED AIR TO ASSURE TEMPERATURE EQUALIZATION, OR FOR THE DEFROSTING AND DE-ICING OF AIRCRAFT GLASS SURFACES.]. 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 1660006315879 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.