National Stock Number
4130-00-566-1421
National Stock Number (NSN) 4130-00-566-1421, or NIIN 005661421, (filtering pad,air cooler) was assigned November 24, 1974 in the Federal Logistics Information System (FLIS). NIIN 005661421 was cancelled on March 3, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
This NSN is assigned to Item Name Code (INC) 61756. [A REPLACEABLE DEVICE DESIGNED TO ADD MOISTURE AND REMOVE DUST, POLLEN OR OTHER FOREIGN MATTER FROM THE AIR PASSING THROUGH IT. THE REMOVAL OF PARTICLES AND THE COOLING ACTION ARE ACCOMPLISHED BY POROUS, FIBROUS OR SHREDDED MATERIAL (METALLIC OR NON-METALLIC) WHICH IS SUITABLE FOR MOISTURE SATURATION, LOOSELY WOVEN OR MATTED, THE SHAPE OF WHICH IS MAINTAINED BY STIFFENING OR BINDING MATERIAL. IT IS DESIGNED TO FIT INTO A COOLER, AIR, EVAPORATIVE OR VENTILATING SYSTEM WHICH HAS RETAINING DEVICES. IT MAY BE FURNISHED IN A FRAME OR IN A CONTINOUS LENGTH. EXCLUDES:FILTER ELEMENT, AIR CONDITIONING.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4130005661421 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.