National Stock Number
5420-00-172-3520
National Stock Number (NSN) 5420-00-172-3520, or NIIN 001723520, (bridge,fixed) was assigned September 1, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5420004036362.
There are 6 manufacturer part numbers associated with this NSN. 4 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 14191. [A STRUCTURE ERECTED OVER A WATERWAY, RAVINE OR ROAD, FOR THE PASSING OF PERSONS, ANIMALS, RAILROADS OR VEHICLES. IT IS SUPPORTED ON STATIONARY PIERS. EXCLUDES:BRIDGE, SUSPENSION.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5420001723520 contains an unknown precious metal.
This NSN is associated to Schedule B 7308100000: bridges and bridge sections of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332312: fabricated structural metal manufacturing.
This information was last updated on Aug 01, 2025.