National Stock Number
6640-01-652-6044
National Stock Number (NSN) 6640-01-652-6044, or NIIN 016526044, (cloth,lens) was assigned February 27, 2016 in the Federal Logistics Information System (FLIS). 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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 24, 2016, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20336. [A PLAIN, BALANCED WOVEN MATERIAL HAVING A HIGH SLEY. IT IS CHEMICALLY TREATED TO AID IN THE REMOVAL OF GREASE, SOIL, AND GRIT FROM OPTICAL LENSES, GLASS EQUIPMENT, OR OTHER FINELY POLISHED SURFACES, WITHOUT CAUSING INJURY TO THEM.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6640016526044 does not contain precious metals.
This information was last updated on Jul 01, 2025.