DLMS™ Summary National Stock Number 1005-00-334-2420 National Stock Number (NSN) 1005-00-334-2420, or NIIN 003342420, (spring,helical,compression) has an unknown assigned date. NIIN 003342420 was cancelled on January 1, 1963, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5360005013217. This NSN does not replace any other NSNs. There are no manufacturer part numbers associated to this NSN. This part number has not been procured by the US Government in over 5 years. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1005003342420 contains an unknown precious metal. This information was last updated on Apr 01, 2015.