National Stock Number
6640-01-251-5726
National Stock Number (NSN) 6640-01-251-5726, or NIIN 012515726, (furnace,muffle,laboratory) was assigned March 21, 1987 in the Federal Logistics Information System (FLIS). NIIN 012515726 was cancelled on December 5, 2019, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2020, 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 6640012515726 does not contain precious metals.
This information was last updated on Aug 01, 2025.