National Stock Number
5365-99-258-0422
National Stock Number (NSN) 5365-99-258-0422, or NIIN 992580422, (sleeve,seal seat) 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) 50142. [A THIN METALLIC TUBLAR SHAPED ITEM WITH A FLANGE AT ONE END DESIGNED TO BE MOUNTED ON A SHAFT END TO RESTORE A SCORED SEALING SURFACE WITHOUT THE NECESSITY OF REMOVING THE SHAFT. A SPECIAL TOOL TO INSTALL THE ITEM WITH PRESS FIT IS INCLUDED. IT ALSO SERVES AS A PROTECTION AGAINST DEFORMATION AND DAMAGE OF THE ITEM DURING TRANSPORTATION. SEE ALSO BUSHING,SLEEVE. EXCLUDES:SLEEVE,SHAFT,PUMP.].
This information was last updated on Aug 01, 2025.