National Stock Number
4820-00-257-0477
National Stock Number (NSN) 4820-00-257-0477, or NIIN 002570477, (valve assembly) was assigned March 19, 1971 in the Federal Logistics Information System (FLIS). NIIN 002570477 was cancelled on March 20, 2002, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2520004113842.
There are 4 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 3 suppliers. Today, 2 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.
This part number has not been procured by the US Government in over 5 years.
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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820002570477 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.