National Stock Number
4220-00-955-6537
National Stock Number (NSN) 4220-00-955-6537, or NIIN 009556537, (mask,diver's) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 03303. [A FLEXIBLE DEVICE USED IN FREE OR SCUBA DIVING THAT PROTECTS THE EYES WITH A TRANSPARENT SHIELD AND CONFORMS TO THE FACE TO EXCLUDE WATER. MAY ALSO COVER THE NOSE. IT MAY HAVE VALVES, FITTINGS OR AN INTEGRAL HOSE AIR SUPPLY. EXCLUDES: MASK, 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 4220009556537 does not contain precious metals.
This information was last updated on Aug 01, 2025.