National Stock Number
4820-01-147-2570
National Stock Number (NSN) 4820-01-147-2570, or NIIN 011472570, (head assembly,valve) was assigned February 14, 1983 in the Federal Logistics Information System (FLIS). NIIN 011472570 was cancelled on May 8, 2012, 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 one supplier. Today, there are no suppliers 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) 77777. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011472570 does not contain precious metals.
This information was last updated on Jul 01, 2025.