National Stock Number
6625-00-449-5451
National Stock Number (NSN) 6625-00-449-5451, or NIIN 004495451, (bolometer,radio frequency) was assigned December 12, 1969 in the Federal Logistics Information System (FLIS). NIIN 004495451 was cancelled on April 30, 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 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, 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) 05654. [AN ITEM CONSISTING OF A RADIANT-ENERGY HEAT-TRANSDUCING ELEMENT SUCH AS A THERMISTOR, WHOSE RESISTANCE CHANGES WITH THE ABSORPTION OF RADIO FREQUENCY ENERGY, CONTAINED IN A CAVITY OR OTHER HOUSING. MAY INCLUDE TUNING ADJUSTMENTS, PICK-UP LOOPS, FLEXIBLE TRANSMISSION LINE, BATTERY CASE, AND THE LIKE. USUALLY USED WITH A SUMMATION BRIDGE TO MEASURE RADIO FREQUENCY POWER. FOR ITEMS CONSISTING OF A BOLOMETER HOUSED IN A PROBE, SEE PROBE, WAVEGUIDE.]. 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 6625004495451 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.