National Stock Number
5310-12-122-4409
National Stock Number (NSN) 5310-12-122-4409, or NIIN 121224409, (washer,convex) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 27 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 16 suppliers. Today, 13 suppliers are listed as Active suppliers 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) 15931. [A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RAISED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONCAVE. EXCLUDES:BEARING, WASHER THRUST.].
This information was last updated on May 23, 2025.