National Stock Number
5120-00-257-0304
National Stock Number (NSN) 5120-00-257-0304, or NIIN 002570304, (bar,digging) 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 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 2 suppliers. Today, one supplier is listed as an Active supplier 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.
This NSN is assigned to Item Name Code (INC) 05566. [A TOOL USED FOR EARTH DIGGING. A DIGGING BAR HAS A FORMED BIT AT ONE END. THIS BIT IS SMOOTHLY FINISHED, AND HAS A UNIFORMLY TAPERED CUTTING EDGE GROUND TO A DOUBLE-BEVELED EDGE. THE OPPOSITE END OF THE BAR WILL TERMINATE IN A ROUND UNIFORM TAPERED POINT.]. 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 5120002570304 contains an unknown precious metal.
This NSN is associated to Schedule B 8207195030: rock drilling or earth boring tools of base metals, nesoi, and parts thereof. The Schedule B End Use is listed as excavating machinery. NAICS classification category 333131: mining machinery and equipment manufacturing.
This information was last updated on Jul 01, 2025.