DLMS™ Summary National Stock Number 1005-01-251-9690 National Stock Number (NSN) 1005-01-251-9690, or NIIN 012519690, (slide assembly,rear sight) was assigned March 27, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs. There are 4 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN. This part number has not been procured by the US Government in over 5 years. This NSN is fairly common among different weapons systems, belonging to 21 different platforms. There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2. This NSN is assigned to Item Name Code (INC) 66866. [AN ITEM WHICH SLIDES UP AND DOWN A REAR SIGHT'S LEAF. IT HAS A U OR V SHAPED NOTCH OR APERTURE WHICH CAN BE POSITIONED ON THE LEAF TO ADJUST THE SIGHT FOR THE RANGE AT WHICH THE TARGET IS LOCATED.]. 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 1005012519690 does not contain precious metals. This NSN is associated to Schedule B 9305911000: parts and accessories for military rifles of heading 9301. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332994: small arms, ordnance, and ordnance accessories manufacturing. This information was last updated on Mar 01, 2017.