DLMS™ Summary National Stock Number 1005-01-526-4953 National Stock Number (NSN) 1005-01-526-4953, or NIIN 015264953, (sight,rear) was assigned December 20, 2004 in the Federal Logistics Information System (FLIS). NIIN 015264953 was cancelled on January 2, 2010, 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, 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. There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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 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 1005015264953 does not contain precious metals. This information was last updated on Mar 24, 2017.