National Stock Number
4320-01-540-5384
National Stock Number (NSN) 4320-01-540-5384, or NIIN 015405384, (header,cooler,lubricating oil) was assigned May 23, 2006 in the Federal Logistics Information System (FLIS). NIIN 015405384 was cancelled on January 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4320015565107. 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, 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 assigned to Item Name Code (INC) 52922. [A CASTED END COVER WHICH KEEPS OIL FROM LEAKING OUT OF ONE END OF THE COOLER TUBE.]. 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 4320015405384 does not contain precious metals.
This information was last updated on May 01, 2025.