National Stock Number
4820-01-220-2592
National Stock Number (NSN) 4820-01-220-2592, or NIIN 012202592, (valve,exhaust control) was assigned November 10, 1985 in the Federal Logistics Information System (FLIS). NIIN 012202592 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 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, 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) 07800. [A MANUALLY OPERATED VALVE HAVING ONE INLET AND TWO OUTLETS. IT IS DESIGNED TO CONTROL THE DIRECTION OF EXHAUST GASES INTO EITHER OF THE OUTLETS, ONE OUTLET DISCHARGING DIRECTLY INTO THE ATMOSPHERE, THE OTHER DISCHARGING UNDER WATER.]. 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 4820012202592 does not contain precious metals.
This information was last updated on Jul 01, 2025.