National Stock Number
6640-00-443-4350
National Stock Number (NSN) 6640-00-443-4350, or NIIN 004434350, (test tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6640000618965.
There are no manufacturer part numbers associated to this NSN.
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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
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 6640004434350 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.