National Stock Number
4320-00-398-5403
National Stock Number (NSN) 4320-00-398-5403, or NIIN 003985403, (shaft,transmission,pump) 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 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 02, 2007, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 39430. [AN INTERNAL COMPONENT OF A PUMP WHICH MAY BE EITHER TOTALLY ENCLOSED WITHIN THE PUMP FOR DRIVING OTHER INTERNAL COMPONENTS OR IT MAY EXTEND BEYOND THE PUMP HOUSING TO BE EITHER CONNECTED TO AN EXTERNAL POWER SOURCE OR TO PROVIDE POWER TO OTHER MACHINERY.]. 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 4320003985403 does not contain precious metals.
This NSN is associated to Schedule B 8483308065: transmission shafts and cranks: bearing housings, plain shaft bearings with housing, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Jul 01, 2025.