National Stock Number
6650-01-597-2536
National Stock Number (NSN) 6650-01-597-2536, or NIIN 015972536, (anti-reflection device,optical i) was assigned June 3, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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. 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, with the most recent procurement date of Oct 08, 2014. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L115V0011, SPM7LA12M2236, SPM7LA12M2236. The total value of the awarded contracts has been US$ 3,340.00.
This NSN is unique to one weapons system.
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 Dec 31, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 53357. [AN ITEM SPECIFICALLY DESIGNED TO BE PLACED OVER THE OPTICS TO PREVENT THE REFLECTION OF LIGHT OFF THE LENS OF ITEMS SUCH AS BINOCULARS, TELESCOPES FOR GUN SIGHTS, RIFLE AND OTHER WEAPON SIGHTS IN THE VISIBLE AND THERMAL RANGES, VISION BLOCKS AND LASER-PROTECTIVE GOGGLES. THE ITEM'S DESIGN OF A HONEYCOMB MATERIAL WITH SPECIAL ANTI-REFLECTION COATING PROVIDES PROTECTION FROM GLINT AND GLARE FROM OPTICAL SURFACES WITHOUT EFFECTING THE VIEW. THE ITEM MAY INCLUDE A FLIP-OPEN COVER DESIGNED TO PROTECT THE FILTER. PACKAGING COMPONENTS SUCH AS CARRYING BAG OR CASE, AND INSTRUCTION FOR INSTALLATION MAY ALSO BE INCLUDED.]. 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 6650015972536 does not contain precious metals.
This information was last updated on Aug 01, 2025.