National Stock Number
6650-01-256-3433
National Stock Number (NSN) 6650-01-256-3433, or NIIN 012563433, (spectrometer,diffraction grating) was assigned June 4, 1987 in the Federal Logistics Information System (FLIS). NIIN 012563433 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 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 62416. [A SPECTROMETER INCORPORATING A DIFFRACTION GRATING FOR THE DISPERSION OF LIGHT. THE ITEM IS USED FOR THE SPECTROCHEMICAL ANALYSIS OF METALS, NONMETALLIC SUBSTANCES, AND FLUIDS. IT MAY BE EQUIPPED WITH INDICATORS TO PERMIT DIRECT READING OF THE ANALYTICAL RESULTS.]. 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 6650012563433 does not contain precious metals.
This information was last updated on Jun 01, 2025.