National Stock Number
1680-14-371-5944
National Stock Number (NSN) 1680-14-371-5944, or NIIN 143715944, (filter,aircraft instruments) has an unknown assigned date. NIIN 143715944 was cancelled on January 2, 2013, 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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) 05190. [AN AIR FILTERING DEVICE DESIGNED TO CLEAN AND DRY THE AIR FLOWING TO THE SENSITIVE VACUUM OPERATED FLIGHT INSTRUMENTS IN AN AIRCRAFT.].
This information was last updated on Dec 08, 2025.