DLMS™ Summary National Stock Number 1005-01-141-7091 National Stock Number (NSN) 1005-01-141-7091, or NIIN 011417091, (base,rear sight) was assigned November 3, 1982 in the Federal Logistics Information System (FLIS). NIIN 011417091 was cancelled on January 8, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 50284. [AN ITEM SPECIFICALLY DESIGNED AS A FOUNDATION OR PART UPON WHICH ASSOCIATED PARTS, SUCH AS CROSS BLADE, SIGHT LEAF, OR APERTURE, FOR A GUNSIGHT ARE MOUNTED. IT IS ATTACHED TO THE RECEIVER OR GUN BARREL AND ESSENTIAL TO A CARBINE, MACHINE GUN, PISTOL, RIFLE OR THE LIKE WHEN AIMING.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1005011417091 does not contain precious metals. This information was last updated on Jan 18, 2017.