National Stock Number
5310-01-503-1903
National Stock Number (NSN) 5310-01-503-1903, or NIIN 015031903, (washer blank) was assigned December 6, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 18055. [AN ITEM OF VARIOUS SHAPES AND SIZES, HAVING TWO FLAT BEARING SURFACES WHICH MAY OR MAY NOT BE PARALLEL. IT IS USED IN THE MANUFACTURE OF A WASHER BY DRILLING OR PUNCHING A HOLE IN THE CENTER. EXCLUDES:DISK (AS MODIFIED).]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310015031903 does not contain precious metals.
This information was last updated on Aug 01, 2025.