National Stock Number
6640-00-443-4606
National Stock Number (NSN) 6640-00-443-4606, or NIIN 004434606, (test tube) was assigned April 11, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6640011536860.
There are 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 Dec 31, 2013, 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) 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 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 6640004434606 does not contain precious metals.
This information was last updated on Jul 01, 2025.