National Stock Number
3456-00-250-8749
National Stock Number (NSN) 3456-00-250-8749, or NIIN 002508749, (expander,tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3441004321551.
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 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 04, 2019. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E919V1087, SPE8E515M1809. The total value of the awarded contracts has been US$ 7,208.00.
This NSN is very common among different weapons systems, belonging to 32 different platforms.
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 Nov 17, 2007, 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) 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.]. 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 3456002508749 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 Aug 01, 2025.