National Stock Number
6650-00-736-4279
National Stock Number (NSN) 6650-00-736-4279, or NIIN 007364279, (spectrograph) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 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 6650007364279 does not contain precious metals.
This NSN is associated to Schedule B 9018500000: other ophthalmic instruments and appliances and parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.
This information was last updated on Aug 01, 2025.