National Stock Number
3456-00-640-3670
National Stock Number (NSN) 3456-00-640-3670, or NIIN 006403670, (roll set,roller tube expander) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 13 manufacturer part numbers associated with this NSN. 5 of those 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, 2 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 somewhat common among different platforms, belonging to 6 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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 3456006403670 contains an unknown precious metal.
This NSN is associated to Schedule B 8466940002: parts for machines of heading 8462 or 8463. The Schedule B End Use is listed as metalworking machine tools.
This information was last updated on May 01, 2025.