National Stock Number
4820-01-197-8643
National Stock Number (NSN) 4820-01-197-8643, or NIIN 011978643, (valve,rotary,selector) was assigned December 29, 1984 in the Federal Logistics Information System (FLIS). NIIN 011978643 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, 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.
This NSN is assigned to Item Name Code (INC) 45485. [A MANUALLY OR POWER OPERATED VALVE DESIGNED TO CONTROL THE FLOW OF A FLUID BY THE ROTATION OF A PORTED OR CURVED ROTOR. A SPRING, BALL, OR CAM DETENT MAY BE INCLUDED TO LOCATE OR HOLD POSITION. THE ITEM MAY BE PANEL OR SUBPLATE MOUNTED, OR BE AN INLINE DESIGN. EXCLUDES VALVE, PLUG. SEE ALSO VALVE, LINEAR, DIRECTIONAL CONTROL.]. 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 4820011978643 does not contain precious metals.
This information was last updated on Jul 01, 2025.