National Stock Number
5999-01-180-1226
National Stock Number (NSN) 5999-01-180-1226, or NIIN 011801226, (panel,radio frequency/electromagnetic interference shielded,ventilating) was assigned May 24, 1984 in the Federal Logistics Information System (FLIS). NIIN 011801226 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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) 32626. [A REPLACEABLE DEVICE IN PANEL FORM DESIGNED TO ELIMINATE RADIO FREQUENCY AND ELECTROMAGNETIC INTERFERENCE FROM THE AIR PASSING THROUGH IT. THE ELIMINATION OF INTERFERENCE IS ACCOMPLISHED BY REFLECTION AND/OR ABSORPTION OF RADIATED ELECTROMAGNETIC ENERGY BY MEDIA CONSTRUCTED OF ELECTRICALLY CONDUCTIVE MATERIAL, IN HONEYCOMB OR LOUVERED FORM CONFINED IN A FRAME, WITH ELECTRICALLY CONDUCTIVE GASKETING (OR SELF-GASKETING FEATURE) TO PROVIDE ELECTRICAL CONTACT WITH THE CABINET ON WHICH IT IS INSTALLED OR MOUNTED. IT MAY BE USED IN AIR VENTILATING OR HEATING DUCTS, LIGHTING APERTURE AND THE LIKE. IT MAY HAVE A FILTER FOR DUST PROTECTION. IT MAY INCLUDE A DRIP-PROOF DESIGN FEATURE. EXCLUDES:ELECTRICAL FILTERING DEVICES WHICH EMPLOY CAPACITOR, RESISTOR AND COIL COMPONENTS TO ELIMINATE OR SUPPRESS CONDUCTED ELECTROMAGNETIC ENERGY. EXCLUDES:SHIELD,TEST.]. 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 5999011801226 does not contain precious metals.
This information was last updated on Aug 01, 2025.