National Stock Number
3020-00-994-5997
National Stock Number (NSN) 3020-00-994-5997, or NIIN 009945997, (gear set,worm and worm wheel,mat) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Master or coordinated tooling is required to produce this part. This tooling is not owned by the Government or, where owned, cannot be made available to other sources. Valid AMCs: 1, 2, 3, 4, and 5.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020009945997 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.