National Stock Number
6640-00-334-3923
National Stock Number (NSN) 6640-00-334-3923, or NIIN 003343923, (test tube) was assigned December 19, 1973 in the Federal Logistics Information System (FLIS). NIIN 003343923 was cancelled on March 21, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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, 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) 18770. [A STRAIGHT WALL VESSEL WITH A FLAT OR A ROUND BOTTOM FOR USE IN VARIOUS LABORATORY PROCEDURES. IT MAY HAVE A SIDE ARM AND A MOUTH DESIGNED TO ACCOMMODATE A STOPPER OR A SCREW CAP. DO NOT USE IF A MORE SPECIFIC NAME IS AVAILABLE.]. 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 6640003343923 does not contain precious metals.
This information was last updated on Aug 01, 2025.