DLMS™ Summary National Stock Number 1005-01-038-5566 National Stock Number (NSN) 1005-01-038-5566, or NIIN 010385566, (conversion kit,5.56 millimeter rifle) was assigned April 8, 1977 in the Federal Logistics Information System (FLIS). NIIN 010385566 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs. There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. This part number has not been procured by the US Government in over 5 years. This NSN is assigned to Item Name Code (INC) 32607. [INC 32607 CANCELLED/REPLACED BY INC 80267, FIIG A573R0, ,ON 071315 ~A GROUP OF ITEMS DESIGNED TO MODIFY A RIFLE OR A NUMBER OF RIFLES FOR A SPECIFIC PURPOSE.]. 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 1005010385566 does not contain precious metals. This information was last updated on Jan 18, 2017.