National Stock Number
6640-01-257-6395
National Stock Number (NSN) 6640-01-257-6395, or NIIN 012576395, (cuvette,spectrophotometer) was assigned June 22, 1987 in the Federal Logistics Information System (FLIS). NIIN 012576395 was cancelled on March 23, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 6640012363961.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 29264. [A RECTANGULAR OR ROUND TUBELIKE VESSEL OF HIGH OPTICAL QUALITY THAT PERMITS A DESIRED LIGHT TRANSMITTANCE. IT IS DESIGNED TO RETAIN SOLUTION SAMPLES THAT ARE SUBJECTED TO LIGHT OF A KNOWN LIGHT PATH LENGTH SO THAT THE AMOUNT OF LIGHT ABSORBANCE AND TRANSMITTANCE CAN BE DETERMINED. IT MAY HAVE AN INTEGRAL DEVICE AND ACCESSORIES FOR VACUUM EVACUATION.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 6640012576395 does not contain precious metals.
This information was last updated on Jul 01, 2025.