National Stock Number
6640-01-664-9649
National Stock Number (NSN) 6640-01-664-9649, or NIIN 016649649, (microtome) was assigned July 13, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is 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) 18735. [A MANUALLY OR ELECTRICALLY DRIVEN INSTRUMENT FOR CUTTING SPECIMENS OF ORGANIC TISSUES, BONE, WOOD OR SOFT METAL FOR MICROSCOPE EXAMINATION.]. 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 6640016649649 does not contain precious metals.
This NSN is associated to Schedule B 9027902000: microtomes. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Jul 01, 2025.