National Stock Number
4310-00-218-2170
National Stock Number (NSN) 4310-00-218-2170, or NIIN 002182170, (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 are 10 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 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.]. 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 4310002182170 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 Jun 01, 2025.