National Stock Number
6640-01-240-2133
National Stock Number (NSN) 6640-01-240-2133, or NIIN 012402133, (filter unit,microporous) has an unknown assigned date. NIIN 012402133 was cancelled on May 31, 1997, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 6640012792505.
There are no manufacturer part numbers associated to 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) 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.]. 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 6640012402133 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.