National Stock Number
6640-00-443-4950
National Stock Number (NSN) 6640-00-443-4950, or NIIN 004434950, (test tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 6640005591415, 5306005149723, 6640005279044, 6640003142124.
There are 4 manufacturer part numbers associated with this NSN. One of those 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2006, 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 6640004434950 does not contain precious metals.
This NSN is associated to Schedule B 7017905000: laboratory, hygienic or pharmaceutical glassware, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 327212: other pressed and blown glass and glassware manufacturing.
This information was last updated on Jul 01, 2025.