National Stock Number
4820-00-844-6890
National Stock Number (NSN) 4820-00-844-6890, or NIIN 008446890, (valve,flow control) was assigned December 30, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820009685795.
There are 9 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 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 assigned to Item Name Code (INC) 45506. [AN INLINE OR CARTRIDGE TYPE ITEM DESIGNED TO CONTROL THE FLOW OF FLUIDS WITHIN A CLOSED SYSTEM. EXCLUDES ITEMS ACTUATED BY A PREDETERMINED PRESSURE AND/OR TEMPERATURE, ITEMS DESIGNED FOR USE WITH BREATHING GASSES, OR THOSE DESIGNED TO VENT OR CALIBRATE FLUIDS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820008446890 contains an unknown precious metal.
This NSN is associated to Schedule B 8481809015: regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.