National Stock Number
1680-01-146-3997
National Stock Number (NSN) 1680-01-146-3997, or NIIN 011463997, (filter,aircraft instruments) was assigned January 29, 1983 in the Federal Logistics Information System (FLIS). NIIN 011463997 was cancelled on December 15, 2017, 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 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, only one supplier is 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1680011463997 contains an unknown precious metal.
This information was last updated on May 01, 2025.