National Stock Number
6650-00-063-4484
National Stock Number (NSN) 6650-00-063-4484, or NIIN 000634484, (spectrograph) was assigned November 19, 1972 in the Federal Logistics Information System (FLIS). NIIN 000634484 was cancelled on December 16, 2017, 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, there are no suppliers 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) 11042. [AN OPTICAL INSTRUMENT DESIGNED TO BREAK UP THE LIGHT FROM A SOURCE INTO ITS CONSTITUENT WAVE LENGTHS AND TO PROVIDE A MEANS OF QUALITATIVE OR QUANTITATIVE STUDY OF THE SPECTRUM LINE FORMED. THE INSTRUMENT ESSENTIALLY CONSISTS OF FOUR PARTS; THE SLIT, THE LENSES, THE DISPERSION SYSTEM AND PHOTOGRAPHIC OR PHOTOELECTRIC SYSTEM. THE INSTRUMENT MAY INCORPORATE A PRISM OR GRATING SYSTEM FOR THE DISPERSION OF LIGHT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6650000634484 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.