National Stock Number
6640-00-006-8643
National Stock Number (NSN) 6640-00-006-8643, or NIIN 000068643, (furnace,muffle,laboratory) was assigned July 6, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2000, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 48727. [AN APPARATUS WITH A HEATED CHAMBER DESIGNED TO RADIANTLY HEAT THE CONTENTS OF THE CHAMBER. THE ITEM IS CAPABLE OF GENERATING EXTREMELY HIGH TEMPERATURES.]. 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 6640000068643 does not contain precious metals.
This NSN is associated to Schedule B 8514100000: industrial or laboratory furnaces and ovens, resistance heated types. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333994: industrial process furnace and oven manufacturing.
This information was last updated on Aug 01, 2025.