National Stock Number
6640-00-439-8420
National Stock Number (NSN) 6640-00-439-8420, or NIIN 004398420, (cuvette,spectrophotometer) was assigned January 1, 1963 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. One 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 12, 2007, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
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 nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 6640004398420 does not contain precious metals.
This NSN is associated to Schedule B 9027905430: parts and accessories of articles of subheading 9027.30.40. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Aug 01, 2025.