National Stock Number
3040-00-431-3879
National Stock Number (NSN) 3040-00-431-3879, or NIIN 004313879, (differential gear unit) was assigned April 23, 1971 in the Federal Logistics Information System (FLIS). NIIN 004313879 was cancelled on July 2, 2001, 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) 61761. [AN ARRANGEMENT OF GEARS IN AN EPICYCLIC TRAIN THAT CONNECTS TWO SHAFTS IN THE SAME LINE. THE DRIVING FORCE IS EQUALLY DIVIDED BETWEEN THE SHAFTS WHICH ROTATE IN DIFFERENT DIRECTIONS WITH ONE SHAFT PERMITTED TO REVOLVE FASTER THAN THE OTHER.]. 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 3040004313879 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.