DLMS™ Summary National Stock Number 1005-01-507-5821 National Stock Number (NSN) 1005-01-507-5821, or NIIN 015075821, (contact assy,firing) was assigned May 1, 2003 in the Federal Logistics Information System (FLIS). NIIN 015075821 was cancelled on December 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 1005007545267. 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. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1005015075821 does not contain precious metals. This information was last updated on Dec 01, 2014.