DLMS™ Summary National Stock Number 1020-00-153-8972 National Stock Number (NSN) 1020-00-153-8972, or NIIN 001538972, (firing circuit) was assigned March 26, 1969 in the Federal Logistics Information System (FLIS). 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 NSN is assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1020001538972 does not contain precious metals. This information was last updated on Jan 01, 2017.