National Stock Number
6640-01-648-0644
National Stock Number (NSN) 6640-01-648-0644, or NIIN 016480644, (cloth,lens) was assigned September 14, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 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 6640016480644 does not contain precious metals.
This NSN is associated to Schedule B 6307100000: other made-up articles, including dress patterns: floorcloths, dishcloths, dusters and similar cleaning cloths. The Schedule B End Use is listed as apparel, household goods - textile.
This information was last updated on Jul 01, 2025.