National Stock Number
5640-01-667-9071
National Stock Number (NSN) 5640-01-667-9071, or NIIN 016679071, (cork,granulated) was assigned November 3, 2017 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.
This NSN is assigned to Item Name Code (INC) 03330. [LOOSE GRANULES IN VARIOUS SIZES PRODUCED FROM GROUND OUTER BARK OF THE CORK OAK TREE. USED FOR LOOSE FILL HEAT OR SOUND INSULATION, AND AS DRY FILLER PIGMENT TO PREVENT SWEATING OF PAINTED SURFACES.]. 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 5640016679071 does not contain precious metals.
This NSN is associated to Schedule B 4501900000: waste cork; crushed, granulated or ground cork. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 321999: all other miscellaneous wood product manufacturing.
This information was last updated on Jul 01, 2025.