National Stock Number
4310-00-420-2580
National Stock Number (NSN) 4310-00-420-2580, or NIIN 004202580, (plate,valve stop) 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 is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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 Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (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) 37878. [A DISH SHAPED METALLIC DEVICE WITH VARYING SHAPED HOLES DESIGNED TO LIMIT THE VERTICAL TRAVEL OF THE VALVE SPRING COMPONENTS. IT MAY PROVIDE A SEATING SURFACE, WHILE KEEPING THE INLET AND/OR DISCHARGE VALVE COMPONENTS PROPERLY ALIGNED DURING OPERATION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4310004202580 contains an unknown precious metal.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Aug 01, 2025.