National Stock Number
3020-01-021-3853
National Stock Number (NSN) 3020-01-021-3853, or NIIN 010213853, (gear set,worm and worm wheel,matched) was assigned May 15, 1976 in the Federal Logistics Information System (FLIS). NIIN 010213853 was cancelled on July 2, 2001, 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 are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 21972. [A GROUPING OF ONE OR MORE GEAR, WORM AND GEAR, WORM WHEEL AND/OR GEARSHAFT, WORM WHEEL 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020010213853 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.