DLMS™ Summary National Stock Number 1005-00-731-0871 National Stock Number (NSN) 1005-00-731-0871, or NIIN 007310871, (sight,rear) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 007310871 was cancelled on January 28, 2004, 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 are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 22228. [AN ITEM ATTACHED TO THE BREECH END AND INTEGRAL TO A CARBINE, MACHINE GUN, PISTOL, RIFLE, OR THE LIKE. IT MAY BE A FIXED OR ADJUSTABLE CROSS BLADE WITH A U-OR V-SHAPED NOTCH OR APERTURE, OR IT MAY HAVE ELEVATION AND WINDAGE ADJUSTMENT KNOBS, SLIDES, AND GRADUATED SCALES AND BE PROVIDED WITH APERTURE DISKS.]. 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 1005007310871 contains an unknown precious metal. This information was last updated on Mar 27, 2017.