National Stock Number
4820-00-850-8561
National Stock Number (NSN) 4820-00-850-8561, or NIIN 008508561, (valve,gate) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 4820004725982, 4820008432769, 4820002887231.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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) 05482. [A VALVE HAVING A FLAT OR TAPERED DISK (GATE) WHICH MOVES TRANSVERSELY TO THE AXIS OF FLOW BY ROTATING OR SLIDING MOVEMENTS OF THE STEM TO OPEN OR CLOSE THE ORIFICE. IT MAY ALSO CONTAIN AN OVAL OR RECTANGULAR SHAPED SLIDE WHICH MAY BE MANUALLY, MOTOR, OR PRESSURE OPERATED THROUGH THE MEANS OF AN ARM OR ARM ASSEMBLY. THE BODY FLANGE MAY BE DESIGNED TO ACCOMMODATE TUBE TYPE CONNECTORS. IT MAY OR MAY NOT CONTAIN THERMAL RELIEF FEATURES. INCLUDES VALVE (GATE) SPECIFICALLY DESIGNED FOR THE CONTROL OF FLUID SYSTEMS IN AIRCRAFT OR MISSILES.]. 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 4820008508561 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.