National Stock Number
5310-00-181-6820
National Stock Number (NSN) 5310-00-181-6820, or NIIN 001816820, (nut,self-locking,extended washer,double hexagon) was assigned June 1, 1970 in the Federal Logistics Information System (FLIS). NIIN 001816820 was cancelled on March 2, 2001, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310001816824. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 29729. [A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. 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 5310001816820 contains silver.
This information was last updated on May 01, 2024.