National Stock Number
4220-00-200-0538
National Stock Number (NSN) 4220-00-200-0538, or NIIN 002000538, (life preserver,vest) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002000538 was cancelled on January 2, 2003, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4220014851135. This NSN replaces 5 stock numbers: 4220005422110, 4220007022257, 4220002873359, 4220002506284, 4220002506283.
There are 3 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, 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 07794. [A BUOYANT ITEM DESIGNED TO BE WORN AS A VEST, HAVING NO SLEEVES. IT MAY HAVE A COLLAR. THE BUOYANCY MAY BE ATTAINED BY A FILLER OF BUOYANT MATERIAL SUCH AS KAPOK, OR INFLATION BY GAS AND/OR ORALLY. SEE ALSO LIFE PRESERVER, YOKE.]. 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 4220002000538 does not contain precious metals.
This information was last updated on Aug 01, 2025.