DLMS™ Summary National Stock Number 1010-00-319-7907 National Stock Number (NSN) 1010-00-319-7907, or NIIN 003197907, (coupling assy) has an unknown assigned date. NIIN 003197907 was cancelled on September 2, 1967, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1010005224021. 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 1010003197907 contains an unknown precious metal. This information was last updated on Dec 01, 2014.