National Stock Number
1620-00-139-4977
National Stock Number (NSN) 1620-00-139-4977, or NIIN 001394977, (damper assy,landing) was assigned August 18, 1971 in the Federal Logistics Information System (FLIS). NIIN 001394977 was cancelled on January 2, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 1620008041951.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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) 77777. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1620001394977 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.