National Stock Number
3020-00-420-5409
National Stock Number (NSN) 3020-00-420-5409, or NIIN 004205409, (gear,spur) was assigned February 11, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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) 05466. [A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.]. 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 3020004205409 does not contain precious metals.
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.