National Stock Number
4220-01-543-8222
National Stock Number (NSN) 4220-01-543-8222, or NIIN 015438222, (parts kit,regulator breathing gas pressure,demand) was assigned September 21, 2006 in the Federal Logistics Information System (FLIS). NIIN 015438222 was cancelled on August 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4240015428152. 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) 42187. [A PARTS KIT USED FOR REPAIRING WORN OR DAMAGED PARTS OF A REGULATOR (1), BREATHING GAS PRESSURE, DEMAND.]. 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 4220015438222 does not contain precious metals.
This information was last updated on May 01, 2025.