National Stock Number
6650-01-063-6604
National Stock Number (NSN) 6650-01-063-6604, or NIIN 010636604, (spectrograph) was assigned August 9, 1978 in the Federal Logistics Information System (FLIS). NIIN 010636604 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 6650010636604 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.