National Stock Number
2040-12-340-4889
National Stock Number (NSN) 2040-12-340-4889, or NIIN 123404889, (seal assembly,shaft log,ship) 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) 41962. [AN ASSEMBLY THAT MAY CONSIST OF SEALING AND RETAINING RINGS, HOUSING COMPONENTS, PACKING CORDS, SCREW JOINTS AND THE LIKE. IT IS DESIGNED TO SEAL A SHAFT LOG AT THE STERN TUBE, THRUST BEARING, TRANSMISSION OR BULKHEAD.].
This information was last updated on Oct 08, 2025.