National Stock Number
6640-01-582-0170
National Stock Number (NSN) 6640-01-582-0170, or NIIN 015820170, (filter unit,microporous) was assigned February 4, 2010 in the Federal Logistics Information System (FLIS). NIIN 015820170 was cancelled on September 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6665015368062. 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 28, 2020, 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) 41087. [AN ITEM DESIGNED TO HOLD A DISK, FILTERING, MICROPOROUS SO THAT WHEN AIR, GASSES OR FLUIDS PASS THROUGH, CONTAMINANTS ARE LEFT ON THE SURFACE OF THE FILTERING DISK.]. 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 6640015820170 does not contain precious metals.
This information was last updated on May 01, 2025.