National Stock Number
3020-00-349-9942
National Stock Number (NSN) 3020-00-349-9942, or NIIN 003499942, (gear set,helical,matched) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 3020003499942 contains an unknown precious metal.
This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.
This information was last updated on Jul 01, 2025.