National Stock Number
4820-01-131-2721
National Stock Number (NSN) 4820-01-131-2721, or NIIN 011312721, (valve assembly) was assigned May 7, 1982 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 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 very common among different weapons systems, belonging to 26 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2005, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 46201. [AN ASSEMBLY OF ITEMS CONSISTING OF TWO OR MORE COMPLETE VALVES ON A COMMON MOUNTING; MOUNTED ON EACH OTHER; OR JOINED TOGETHER WITH FITTING(S), HOSE(S), TUBE(S), PIPE(S), OR THE LIKE. FOR ITEMS CONSISTING OF TWO OR MORE VALVES IN A COMMON BODY, SEE VALVE ASSEMBLY, MANIFOLD.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011312721 does not contain precious metals.
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.