National Stock Number
4320-01-210-2076
National Stock Number (NSN) 4320-01-210-2076, or NIIN 012102076, (gear rotor set,rotary pump) was assigned June 7, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61764. [A PUMP ROTOR OR IMPELLER CONSISTING OF TWO GEARS, THE OUTER GEAR HAVING INTERNAL TEETH (LOBES) AND THE INNER GEAR HAVING EXTERNAL TEETH (LOBES). THE INNER GEAR HAS ONE OR TWO TEETH LESS THAN THE OUTER GEAR, AND IS MOUNTED TO MESH ECCENTRIC WITH THE OUTER GEAR. THE SPACE BETWEEN THE TEETH OF THE TWO MESHING GEARS CREATES A POSITIVE DISPLACEMENT OF FLUIDS FROM THE INLET PORT TO THE OUTLET PORT OF THE ROTARY PUMP.]. 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 4320012102076 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 May 01, 2025.