National Stock Number
5310-00-264-0171
National Stock Number (NSN) 5310-00-264-0171, or NIIN 002640171, (washer,slotted) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002640171 was cancelled on July 11, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 5340003590827, 5340003395297.
There are 8 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 7 suppliers. Today, 2 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) 15936. [A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ITS TWO FLAT PARALLEL BEARING SURFACES ARE DIVIDED OR CUT ALONG THE RADIUS, LEAVING A CLEFT, FISSURE, OR CUTAWAY PORTION ACROSS THE RIM WHICH EXTENDS FROM THE OUTER CIRCUMFERENCE TO THE WASHER HOLE AND IS ALWAYS AS LARGE AS, OR LARGER THAN THE DIAMETER OF THE HOLE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310002640171 does not contain precious metals.
This information was last updated on Aug 01, 2025.