National Stock Number
3020-00-912-6978
National Stock Number (NSN) 3020-00-912-6978, or NIIN 009126978, (gear set,helical,matched) was assigned July 11, 1966 in the Federal Logistics Information System (FLIS). NIIN 009126978 was cancelled on May 8, 2012, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 2010006304102, 2010006304105.
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) 21970. [A GROUPING OF TWO OR MORE OR ANY COMBINATION OF GEAR, HELICAL; GEARSHAFT, HELICAL; OR GEAR CLUSTER, HELICAL WHICH HAVE BEEN MATCHED TOGETHER FOR A GIVEN CHARACTERISTIC WITHIN A SPECIFIED TOLERANCE. INCLUDES ONLY THOSE GEARS DESIGNED AND TESTED TO ACCOMPLISH A SPECIFICALLY DESIRED FUNCTION.]. 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 3020009126978 does not contain precious metals.
This information was last updated on Jul 01, 2025.