National Stock Number
3456-00-640-3673
National Stock Number (NSN) 3456-00-640-3673, or NIIN 006403673, (roll set,roller tube expander) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006403673 was cancelled on December 2, 2012, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 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 one supplier. Today, there are no suppliers 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 20967. [A QUANTITY OF ROLL, ROLLER TUBE EXPANDER OF THE SIZE AND TYPE REQUIRED FOR A SPECIFIED CAGE ASSEMBLY, ROLLER TUBE EXPANDER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3456006403673 does not contain precious metals.
This information was last updated on Aug 01, 2025.