National Stock Number
4820-00-355-7683
National Stock Number (NSN) 4820-00-355-7683, or NIIN 003557683, (valve assembly,manifold) was assigned January 30, 1974 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. 2 of those 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 12, 2013, 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 data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 46202. [A DEVICE CONSISTING OF TWO OR MORE VALVES OF THE SAME OR DIFFERENT TYPE IN A COMMON BODY OR HOUSING. IT MAY HAVE MULTIPLE END CONNECTIONS, AND THE VALVES FUNCTION(S) MAY OR MAY NOT BE DEPENDENT OF EACH OTHER. FOR ITEMS CONSISTING OF TWO OR MORE COMPLETE VALVES JOINED TOGETHER, SEE VALVE ASSEMBLY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820003557683 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.