DLMS™ Summary National Stock Number 1005-00-437-4776 National Stock Number (NSN) 1005-00-437-4776, or NIIN 004374776, (trigger assembly) has an unknown assigned date. NIIN 004374776 was cancelled on May 2, 1994, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1005008207850. 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. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1005004374776 contains an unknown precious metal. This information was last updated on Apr 01, 2015.