National Stock Number
4920-01-731-2003
National Stock Number (NSN) 4920-01-731-2003, or NIIN 017312003, (ventilation system,fuel cell,air) was assigned June 28, 2025 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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) 67223. [CONSISTS OF A BLOWER AND BREATHING AIR SUPPLY, BREATHING MASKS, FILTERS, AND HOSES. MAY ALSO INCLUDE, STANDBY OXYGEN SUPPLY, ADAPTERS, NETTING, JACKS, CAPS, AND PLUGS. MAY HAVE STORAGE FOR ALL ITEMS NECESSARY FOR THE MAINTENANCE OF CELL, FUEL, AIRCRAFT. THIS SYSTEM REPLACES FUEL VAPOR IN THE CELL, FUEL, AIRCRAFT WITH AMBIENT AIR OXYGEN. IT ALSO PROVIDES BREATHING AIR FOR MAINTENANCE AND INSPECTION PERSONNEL. MAY BE PROVIDED IN A DEPLOYABLE CONTAINER OR TRAILER MOUNTED.]. 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 4920017312003 does not contain precious metals.
This information was last updated on Aug 01, 2025.