National Stock Number
6640-00-502-8231
National Stock Number (NSN) 6640-00-502-8231, or NIIN 005028231, (tip,pipet) was assigned July 9, 1974 in the Federal Logistics Information System (FLIS). NIIN 005028231 was cancelled on December 2, 2009, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 6640011536930.
There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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) 33434. [A TAPERED TUBE-LIKE ACCESSORY DESIGNED TO BE ATTACHED TO THE NOSE CONE OF A MECHANICAL PIPET. IT IS GENERALLY MADE OF NONWETTING MATERIAL AND IS USED TO PICK UP AND EXPEL LIQUIDS WITH PRECISION AND ACCURACY DURING LABORATORY AND CLINICAL TESTING.]. 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 6640005028231 does not contain precious metals.
This information was last updated on Aug 01, 2025.