National Stock Number
1660-00-677-6652
National Stock Number (NSN) 1660-00-677-6652, or NIIN 006776652, (adapter,air inlet,heat exchanger) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006776652 was cancelled on December 2, 2005, 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 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 42180. [AN ITEM USED TO PROVIDE THE MEANS FOR THE ATTACHMENT OF HOSES OR TUBES TO THE AIR OF A HEAT EXCHANGER.]. 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 1660006776652 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.