National Stock Number
2040-99-453-6979
National Stock Number (NSN) 2040-99-453-6979, or NIIN 994536979, (bushing,shaft log) has an unknown assigned date. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is 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.
This NSN is assigned to Item Name Code (INC) 41964. [A CYLINDRICAL ITEM WHICH IS AN INTEGRAL PART OF A SHAFT LOG AND IS USED IN OR ON THE TRANSMISSION, SHAFT BEARING, STERN TUBE OR BULKHEAD FITTING. IT MAY BE DESIGNED AS A SHAFT GUIDE OR AS A RETAINING BUSHING FOR THE SEAL ASSEMBLY.].
This information was last updated on Jul 25, 2025.