National Stock Number
3456-00-012-9704
National Stock Number (NSN) 3456-00-012-9704, or NIIN 000129704, (expander,tube) was assigned January 1, 1961 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. One of those 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.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 03, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37288. [A TOOL USED ON CLOSED SIDED AND/OR HOLLOW METAL PARTS TO FORM PRECISE SHAPES AND DIMENSIONS BY SYSTEMS OF DIES WHICH EXPAND OUTWARD AND STRETCH THE METAL TO A REQUIRED SHAPE AND SIZE.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3456000129704 contains an unknown precious metal.
This NSN is associated to Schedule B 8466933050: parts and accessories of metalworking machine tools for cutting, grinding or finishing gears. The Schedule B End Use is listed as metalworking machine tools.
This information was last updated on Jul 01, 2025.