National Stock Number
4520-00-204-0689
National Stock Number (NSN) 4520-00-204-0689, or NIIN 002040689, (valve,radiator,heating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 04846. [A VALVE SPECIFICALLY DESIGNED FOR INSTALLATION IN THE SUPPLY LINE OF A HEATING RADIATOR. IT HAS A FEMALE INLET AND A GROUND JOINT UNION NUT WITH A MALE IRON PIPE THREADED TAILPIECE OUTLET.]. 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 4520002040689 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.